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Finding the Fourth Proportional to 127,294.10, 175,665.92 and 69,937.11

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Solution

The fourth proportional to 127,294.10, 175,665.92 and 69,937.11 is: 96,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,294.10 : 175,665.92 = 69,937.11 : x
  2. Step 2: Convert to fraction form
    127,294.10/175,665.92 = 69,937.11/x
  3. Step 3: Cross multiply
    127,294.10x = 175,665.92 × 69,937.11
  4. Step 4: Simplify right side
    127,294.10x = 12,285,566,420.61
  5. Step 5: Solve for x
    x = 12,285,566,420.61/127,294.10
  6. Step 6: Final answer
    x = 96,513.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.