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Finding the Fourth Proportional to 234,182.39, 351,274.47 and 56,689.11

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Solution

The fourth proportional to 234,182.39, 351,274.47 and 56,689.11 is: 85,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,182.39 : 351,274.47 = 56,689.11 : x
  2. Step 2: Convert to fraction form
    234,182.39/351,274.47 = 56,689.11/x
  3. Step 3: Cross multiply
    234,182.39x = 351,274.47 × 56,689.11
  4. Step 4: Simplify right side
    234,182.39x = 19,913,437,070.02
  5. Step 5: Solve for x
    x = 19,913,437,070.02/234,182.39
  6. Step 6: Final answer
    x = 85,033.88

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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.