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Finding the Fourth Proportional to 120,993,039.60, 181,489,559.40 and 120,993,039.60

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Solution

The fourth proportional to 120,993,039.60, 181,489,559.40 and 120,993,039.60 is: 181,489,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,993,039.60 : 181,489,559.40 = 120,993,039.60 : x
  2. Step 2: Convert to fraction form
    120,993,039.60/181,489,559.40 = 120,993,039.60/x
  3. Step 3: Cross multiply
    120,993,039.60x = 181,489,559.40 × 120,993,039.60
  4. Step 4: Simplify right side
    120,993,039.60x = 21,958,973,447,470,752
  5. Step 5: Solve for x
    x = 21,958,973,447,470,752/120,993,039.60
  6. Step 6: Final answer
    x = 181,489,559.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.