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Finding the Fourth Proportional to 239,256.95, 358,947.68 and 89,508.93

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Solution

The fourth proportional to 239,256.95, 358,947.68 and 89,508.93 is: 134,286.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,256.95 : 358,947.68 = 89,508.93 : x
  2. Step 2: Convert to fraction form
    239,256.95/358,947.68 = 89,508.93/x
  3. Step 3: Cross multiply
    239,256.95x = 358,947.68 × 89,508.93
  4. Step 4: Simplify right side
    239,256.95x = 32,129,022,315.24
  5. Step 5: Solve for x
    x = 32,129,022,315.24/239,256.95
  6. Step 6: Final answer
    x = 134,286.69

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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.