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Finding the Fourth Proportional to 92,226.92, 138,241.83 and 65,851.70

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Solution

The fourth proportional to 92,226.92, 138,241.83 and 65,851.70 is: 98,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,226.92 : 138,241.83 = 65,851.70 : x
  2. Step 2: Convert to fraction form
    92,226.92/138,241.83 = 65,851.70/x
  3. Step 3: Cross multiply
    92,226.92x = 138,241.83 × 65,851.70
  4. Step 4: Simplify right side
    92,226.92x = 9,103,459,516.61
  5. Step 5: Solve for x
    x = 9,103,459,516.61/92,226.92
  6. Step 6: Final answer
    x = 98,707.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.