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Finding the Fourth Proportional to 92,520.73, 138,781.10 and 25,966.68

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Solution

The fourth proportional to 92,520.73, 138,781.10 and 25,966.68 is: 38,950.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,520.73 : 138,781.10 = 25,966.68 : x
  2. Step 2: Convert to fraction form
    92,520.73/138,781.10 = 25,966.68/x
  3. Step 3: Cross multiply
    92,520.73x = 138,781.10 × 25,966.68
  4. Step 4: Simplify right side
    92,520.73x = 3,603,683,812.17
  5. Step 5: Solve for x
    x = 3,603,683,812.17/92,520.73
  6. Step 6: Final answer
    x = 38,950.01

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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.