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Finding the Fourth Proportional to 63,152.76, 87,149.50 and 34,472.99

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Solution

The fourth proportional to 63,152.76, 87,149.50 and 34,472.99 is: 47,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,152.76 : 87,149.50 = 34,472.99 : x
  2. Step 2: Convert to fraction form
    63,152.76/87,149.50 = 34,472.99/x
  3. Step 3: Cross multiply
    63,152.76x = 87,149.50 × 34,472.99
  4. Step 4: Simplify right side
    63,152.76x = 3,004,303,973.70
  5. Step 5: Solve for x
    x = 3,004,303,973.70/63,152.76
  6. Step 6: Final answer
    x = 47,572.01

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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.