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Finding the Fourth Proportional to 60,985.34, 84,163.29 and 34,127.61

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Solution

The fourth proportional to 60,985.34, 84,163.29 and 34,127.61 is: 47,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,985.34 : 84,163.29 = 34,127.61 : x
  2. Step 2: Convert to fraction form
    60,985.34/84,163.29 = 34,127.61/x
  3. Step 3: Cross multiply
    60,985.34x = 84,163.29 × 34,127.61
  4. Step 4: Simplify right side
    60,985.34x = 2,872,291,493.85
  5. Step 5: Solve for x
    x = 2,872,291,493.85/60,985.34
  6. Step 6: Final answer
    x = 47,098.07

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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.