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Finding the Fourth Proportional to 92,301.92, 127,419.17 and 54,056.15

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Solution

The fourth proportional to 92,301.92, 127,419.17 and 54,056.15 is: 74,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,301.92 : 127,419.17 = 54,056.15 : x
  2. Step 2: Convert to fraction form
    92,301.92/127,419.17 = 54,056.15/x
  3. Step 3: Cross multiply
    92,301.92x = 127,419.17 × 54,056.15
  4. Step 4: Simplify right side
    92,301.92x = 6,887,789,766.40
  5. Step 5: Solve for x
    x = 6,887,789,766.40/92,301.92
  6. Step 6: Final answer
    x = 74,622.39

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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.