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Finding the Fourth Proportional to 98,179.59, 135,500.55 and 59,931.12

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Solution

The fourth proportional to 98,179.59, 135,500.55 and 59,931.12 is: 82,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,179.59 : 135,500.55 = 59,931.12 : x
  2. Step 2: Convert to fraction form
    98,179.59/135,500.55 = 59,931.12/x
  3. Step 3: Cross multiply
    98,179.59x = 135,500.55 × 59,931.12
  4. Step 4: Simplify right side
    98,179.59x = 8,120,700,005.50
  5. Step 5: Solve for x
    x = 8,120,700,005.50/98,179.59
  6. Step 6: Final answer
    x = 82,712.71

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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.