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Finding the Fourth Proportional to 63,159.52, 87,160.24 and 34,865.20

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Solution

The fourth proportional to 63,159.52, 87,160.24 and 34,865.20 is: 48,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,159.52 : 87,160.24 = 34,865.20 : x
  2. Step 2: Convert to fraction form
    63,159.52/87,160.24 = 34,865.20/x
  3. Step 3: Cross multiply
    63,159.52x = 87,160.24 × 34,865.20
  4. Step 4: Simplify right side
    63,159.52x = 3,038,859,199.65
  5. Step 5: Solve for x
    x = 3,038,859,199.65/63,159.52
  6. Step 6: Final answer
    x = 48,114.03

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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.