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Finding the Fourth Proportional to 68,148.60, 102,160.04 and 36,580.79

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Solution

The fourth proportional to 68,148.60, 102,160.04 and 36,580.79 is: 54,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,148.60 : 102,160.04 = 36,580.79 : x
  2. Step 2: Convert to fraction form
    68,148.60/102,160.04 = 36,580.79/x
  3. Step 3: Cross multiply
    68,148.60x = 102,160.04 × 36,580.79
  4. Step 4: Simplify right side
    68,148.60x = 3,737,094,275.93
  5. Step 5: Solve for x
    x = 3,737,094,275.93/68,148.60
  6. Step 6: Final answer
    x = 54,837.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.