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Finding the Fourth Proportional to 159,101.10, 238,647.36 and 39,159.12

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Solution

The fourth proportional to 159,101.10, 238,647.36 and 39,159.12 is: 58,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,101.10 : 238,647.36 = 39,159.12 : x
  2. Step 2: Convert to fraction form
    159,101.10/238,647.36 = 39,159.12/x
  3. Step 3: Cross multiply
    159,101.10x = 238,647.36 × 39,159.12
  4. Step 4: Simplify right side
    159,101.10x = 9,345,220,607.92
  5. Step 5: Solve for x
    x = 9,345,220,607.92/159,101.10
  6. Step 6: Final answer
    x = 58,737.62

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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.