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Finding the Fourth Proportional to 98,677.96, 136,200.90 and 60,930.52

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Solution

The fourth proportional to 98,677.96, 136,200.90 and 60,930.52 is: 84,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,677.96 : 136,200.90 = 60,930.52 : x
  2. Step 2: Convert to fraction form
    98,677.96/136,200.90 = 60,930.52/x
  3. Step 3: Cross multiply
    98,677.96x = 136,200.90 × 60,930.52
  4. Step 4: Simplify right side
    98,677.96x = 8,298,791,661.47
  5. Step 5: Solve for x
    x = 8,298,791,661.47/98,677.96
  6. Step 6: Final answer
    x = 84,099.75

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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.