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Finding the Fourth Proportional to 116,711.70, 174,865.95 and 54,254.10

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Solution

The fourth proportional to 116,711.70, 174,865.95 and 54,254.10 is: 81,287.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,711.70 : 174,865.95 = 54,254.10 : x
  2. Step 2: Convert to fraction form
    116,711.70/174,865.95 = 54,254.10/x
  3. Step 3: Cross multiply
    116,711.70x = 174,865.95 × 54,254.10
  4. Step 4: Simplify right side
    116,711.70x = 9,487,194,737.90
  5. Step 5: Solve for x
    x = 9,487,194,737.90/116,711.70
  6. Step 6: Final answer
    x = 81,287.44

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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.