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Finding the Fourth Proportional to 341,862.87, 512,794.68 and 89,143.14

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Solution

The fourth proportional to 341,862.87, 512,794.68 and 89,143.14 is: 133,714.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,862.87 : 512,794.68 = 89,143.14 : x
  2. Step 2: Convert to fraction form
    341,862.87/512,794.68 = 89,143.14/x
  3. Step 3: Cross multiply
    341,862.87x = 512,794.68 × 89,143.14
  4. Step 4: Simplify right side
    341,862.87x = 45,712,127,950.50
  5. Step 5: Solve for x
    x = 45,712,127,950.50/341,862.87
  6. Step 6: Final answer
    x = 133,714.81

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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.