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Finding the Fourth Proportional to 60,235.47, 83,163.96 and 38,734.88

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Solution

The fourth proportional to 60,235.47, 83,163.96 and 38,734.88 is: 53,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,235.47 : 83,163.96 = 38,734.88 : x
  2. Step 2: Convert to fraction form
    60,235.47/83,163.96 = 38,734.88/x
  3. Step 3: Cross multiply
    60,235.47x = 83,163.96 × 38,734.88
  4. Step 4: Simplify right side
    60,235.47x = 3,221,345,595.11
  5. Step 5: Solve for x
    x = 3,221,345,595.11/60,235.47
  6. Step 6: Final answer
    x = 53,479.21

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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.