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Finding the Fourth Proportional to 110,627.64, 152,610.87 and 69,842.31

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Solution

The fourth proportional to 110,627.64, 152,610.87 and 69,842.31 is: 96,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,627.64 : 152,610.87 = 69,842.31 : x
  2. Step 2: Convert to fraction form
    110,627.64/152,610.87 = 69,842.31/x
  3. Step 3: Cross multiply
    110,627.64x = 152,610.87 × 69,842.31
  4. Step 4: Simplify right side
    110,627.64x = 10,658,695,691.91
  5. Step 5: Solve for x
    x = 10,658,695,691.91/110,627.64
  6. Step 6: Final answer
    x = 96,347.49

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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.