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Finding the Fourth Proportional to 159,752.68, 239,677.62 and 75,577.48

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Solution

The fourth proportional to 159,752.68, 239,677.62 and 75,577.48 is: 113,389.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,752.68 : 239,677.62 = 75,577.48 : x
  2. Step 2: Convert to fraction form
    159,752.68/239,677.62 = 75,577.48/x
  3. Step 3: Cross multiply
    159,752.68x = 239,677.62 × 75,577.48
  4. Step 4: Simplify right side
    159,752.68x = 18,114,230,532.00
  5. Step 5: Solve for x
    x = 18,114,230,532.00/159,752.68
  6. Step 6: Final answer
    x = 113,389.21

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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.