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Finding the Fourth Proportional to 159,292.38, 238,973.13 and 48,481.50

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Solution

The fourth proportional to 159,292.38, 238,973.13 and 48,481.50 is: 72,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,292.38 : 238,973.13 = 48,481.50 : x
  2. Step 2: Convert to fraction form
    159,292.38/238,973.13 = 48,481.50/x
  3. Step 3: Cross multiply
    159,292.38x = 238,973.13 × 48,481.50
  4. Step 4: Simplify right side
    159,292.38x = 11,585,775,802.10
  5. Step 5: Solve for x
    x = 11,585,775,802.10/159,292.38
  6. Step 6: Final answer
    x = 72,732.77

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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.