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Finding the Fourth Proportional to 162,342.78, 243,513.36 and 44,013.93

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Solution

The fourth proportional to 162,342.78, 243,513.36 and 44,013.93 is: 66,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,342.78 : 243,513.36 = 44,013.93 : x
  2. Step 2: Convert to fraction form
    162,342.78/243,513.36 = 44,013.93/x
  3. Step 3: Cross multiply
    162,342.78x = 243,513.36 × 44,013.93
  4. Step 4: Simplify right side
    162,342.78x = 10,717,979,981.10
  5. Step 5: Solve for x
    x = 10,717,979,981.10/162,342.78
  6. Step 6: Final answer
    x = 66,020.68

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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.