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Finding the Fourth Proportional to 127,294.77, 175,666.86 and 69,937.80

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Solution

The fourth proportional to 127,294.77, 175,666.86 and 69,937.80 is: 96,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,294.77 : 175,666.86 = 69,937.80 : x
  2. Step 2: Convert to fraction form
    127,294.77/175,666.86 = 69,937.80/x
  3. Step 3: Cross multiply
    127,294.77x = 175,666.86 × 69,937.80
  4. Step 4: Simplify right side
    127,294.77x = 12,285,753,062.56
  5. Step 5: Solve for x
    x = 12,285,753,062.56/127,294.77
  6. Step 6: Final answer
    x = 96,514.20

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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.