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Finding the Fourth Proportional to 239,265.28, 358,788.57 and 89,395.66

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Solution

The fourth proportional to 239,265.28, 358,788.57 and 89,395.66 is: 134,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,265.28 : 358,788.57 = 89,395.66 : x
  2. Step 2: Convert to fraction form
    239,265.28/358,788.57 = 89,395.66/x
  3. Step 3: Cross multiply
    239,265.28x = 358,788.57 × 89,395.66
  4. Step 4: Simplify right side
    239,265.28x = 32,074,141,015.61
  5. Step 5: Solve for x
    x = 32,074,141,015.61/239,265.28
  6. Step 6: Final answer
    x = 134,052.63

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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.