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Finding the Fourth Proportional to 240,363.78, 331,696.35 and 132,931.50

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Solution

The fourth proportional to 240,363.78, 331,696.35 and 132,931.50 is: 183,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,363.78 : 331,696.35 = 132,931.50 : x
  2. Step 2: Convert to fraction form
    240,363.78/331,696.35 = 132,931.50/x
  3. Step 3: Cross multiply
    240,363.78x = 331,696.35 × 132,931.50
  4. Step 4: Simplify right side
    240,363.78x = 44,092,893,350.03
  5. Step 5: Solve for x
    x = 44,092,893,350.03/240,363.78
  6. Step 6: Final answer
    x = 183,442.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.