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Finding the Fourth Proportional to 59,703.76, 89,471.94 and 47,168.92

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Solution

The fourth proportional to 59,703.76, 89,471.94 and 47,168.92 is: 70,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,703.76 : 89,471.94 = 47,168.92 : x
  2. Step 2: Convert to fraction form
    59,703.76/89,471.94 = 47,168.92/x
  3. Step 3: Cross multiply
    59,703.76x = 89,471.94 × 47,168.92
  4. Step 4: Simplify right side
    59,703.76x = 4,220,294,780.10
  5. Step 5: Solve for x
    x = 4,220,294,780.10/59,703.76
  6. Step 6: Final answer
    x = 70,687.25

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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.