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Finding the Fourth Proportional to 159,750.45, 239,662.53 and 47,428.14

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Solution

The fourth proportional to 159,750.45, 239,662.53 and 47,428.14 is: 71,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,750.45 : 239,662.53 = 47,428.14 : x
  2. Step 2: Convert to fraction form
    159,750.45/239,662.53 = 47,428.14/x
  3. Step 3: Cross multiply
    159,750.45x = 239,662.53 × 47,428.14
  4. Step 4: Simplify right side
    159,750.45x = 11,366,748,025.59
  5. Step 5: Solve for x
    x = 11,366,748,025.59/159,750.45
  6. Step 6: Final answer
    x = 71,153.15

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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.