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Finding the Fourth Proportional to 234,862.60, 351,622.62 and 155,819.56

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Solution

The fourth proportional to 234,862.60, 351,622.62 and 155,819.56 is: 233,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,862.60 : 351,622.62 = 155,819.56 : x
  2. Step 2: Convert to fraction form
    234,862.60/351,622.62 = 155,819.56/x
  3. Step 3: Cross multiply
    234,862.60x = 351,622.62 × 155,819.56
  4. Step 4: Simplify right side
    234,862.60x = 54,789,681,934.45
  5. Step 5: Solve for x
    x = 54,789,681,934.45/234,862.60
  6. Step 6: Final answer
    x = 233,283.98

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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.