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Finding the Fourth Proportional to 108,151.98, 149,248.88 and 62,856.48

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Solution

The fourth proportional to 108,151.98, 149,248.88 and 62,856.48 is: 86,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,151.98 : 149,248.88 = 62,856.48 : x
  2. Step 2: Convert to fraction form
    108,151.98/149,248.88 = 62,856.48/x
  3. Step 3: Cross multiply
    108,151.98x = 149,248.88 × 62,856.48
  4. Step 4: Simplify right side
    108,151.98x = 9,381,258,926.46
  5. Step 5: Solve for x
    x = 9,381,258,926.46/108,151.98
  6. Step 6: Final answer
    x = 86,741.44

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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.