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Finding the Fourth Proportional to 345,601.89, 518,402.43 and 96,283.89

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Solution

The fourth proportional to 345,601.89, 518,402.43 and 96,283.89 is: 144,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,601.89 : 518,402.43 = 96,283.89 : x
  2. Step 2: Convert to fraction form
    345,601.89/518,402.43 = 96,283.89/x
  3. Step 3: Cross multiply
    345,601.89x = 518,402.43 × 96,283.89
  4. Step 4: Simplify right side
    345,601.89x = 49,913,802,545.85
  5. Step 5: Solve for x
    x = 49,913,802,545.85/345,601.89
  6. Step 6: Final answer
    x = 144,425.72

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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.