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Finding the Fourth Proportional to 149,490,212.80, 223,810,166.40 and 149,490,212.80

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Solution

The fourth proportional to 149,490,212.80, 223,810,166.40 and 149,490,212.80 is: 223,810,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,490,212.80 : 223,810,166.40 = 149,490,212.80 : x
  2. Step 2: Convert to fraction form
    149,490,212.80/223,810,166.40 = 149,490,212.80/x
  3. Step 3: Cross multiply
    149,490,212.80x = 223,810,166.40 × 149,490,212.80
  4. Step 4: Simplify right side
    149,490,212.80x = 33,457,429,401,939,412
  5. Step 5: Solve for x
    x = 33,457,429,401,939,412/149,490,212.80
  6. Step 6: Final answer
    x = 223,810,166.40

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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.