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Finding the Fourth Proportional to 110,502.21, 152,493.25 and 62,755.55

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Solution

The fourth proportional to 110,502.21, 152,493.25 and 62,755.55 is: 86,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,502.21 : 152,493.25 = 62,755.55 : x
  2. Step 2: Convert to fraction form
    110,502.21/152,493.25 = 62,755.55/x
  3. Step 3: Cross multiply
    110,502.21x = 152,493.25 × 62,755.55
  4. Step 4: Simplify right side
    110,502.21x = 9,569,797,775.04
  5. Step 5: Solve for x
    x = 9,569,797,775.04/110,502.21
  6. Step 6: Final answer
    x = 86,602.77

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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.