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Finding the Fourth Proportional to 127,392.98, 191,166.27 and 44,345.30

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Solution

The fourth proportional to 127,392.98, 191,166.27 and 44,345.30 is: 66,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,392.98 : 191,166.27 = 44,345.30 : x
  2. Step 2: Convert to fraction form
    127,392.98/191,166.27 = 44,345.30/x
  3. Step 3: Cross multiply
    127,392.98x = 191,166.27 × 44,345.30
  4. Step 4: Simplify right side
    127,392.98x = 8,477,325,593.03
  5. Step 5: Solve for x
    x = 8,477,325,593.03/127,392.98
  6. Step 6: Final answer
    x = 66,544.68

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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.