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Finding the Fourth Proportional to 83,711.70, 125,527.95 and 48,662.10

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Solution

The fourth proportional to 83,711.70, 125,527.95 and 48,662.10 is: 72,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,711.70 : 125,527.95 = 48,662.10 : x
  2. Step 2: Convert to fraction form
    83,711.70/125,527.95 = 48,662.10/x
  3. Step 3: Cross multiply
    83,711.70x = 125,527.95 × 48,662.10
  4. Step 4: Simplify right side
    83,711.70x = 6,108,453,655.70
  5. Step 5: Solve for x
    x = 6,108,453,655.70/83,711.70
  6. Step 6: Final answer
    x = 72,970.13

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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.