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Finding the Fourth Proportional to 235,542.82, 353,461.91 and 123,312.87

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Solution

The fourth proportional to 235,542.82, 353,461.91 and 123,312.87 is: 185,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,542.82 : 353,461.91 = 123,312.87 : x
  2. Step 2: Convert to fraction form
    235,542.82/353,461.91 = 123,312.87/x
  3. Step 3: Cross multiply
    235,542.82x = 353,461.91 × 123,312.87
  4. Step 4: Simplify right side
    235,542.82x = 43,586,402,557.78
  5. Step 5: Solve for x
    x = 43,586,402,557.78/235,542.82
  6. Step 6: Final answer
    x = 185,046.62

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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.