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Finding the Fourth Proportional to 159,303.38, 238,920.40 and 52,662.14

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Solution

The fourth proportional to 159,303.38, 238,920.40 and 52,662.14 is: 78,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,303.38 : 238,920.40 = 52,662.14 : x
  2. Step 2: Convert to fraction form
    159,303.38/238,920.40 = 52,662.14/x
  3. Step 3: Cross multiply
    159,303.38x = 238,920.40 × 52,662.14
  4. Step 4: Simplify right side
    159,303.38x = 12,582,059,553.66
  5. Step 5: Solve for x
    x = 12,582,059,553.66/159,303.38
  6. Step 6: Final answer
    x = 78,981.75

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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.