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Finding the Fourth Proportional to 60,983.16, 84,160.31 and 34,125.45

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Solution

The fourth proportional to 60,983.16, 84,160.31 and 34,125.45 is: 47,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,983.16 : 84,160.31 = 34,125.45 : x
  2. Step 2: Convert to fraction form
    60,983.16/84,160.31 = 34,125.45/x
  3. Step 3: Cross multiply
    60,983.16x = 84,160.31 × 34,125.45
  4. Step 4: Simplify right side
    60,983.16x = 2,872,008,280.26
  5. Step 5: Solve for x
    x = 2,872,008,280.26/60,983.16
  6. Step 6: Final answer
    x = 47,095.10

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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.