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Finding the Fourth Proportional to 351,373.98, 527,159.52 and 141,159.54

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Solution

The fourth proportional to 351,373.98, 527,159.52 and 141,159.54 is: 211,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,373.98 : 527,159.52 = 141,159.54 : x
  2. Step 2: Convert to fraction form
    351,373.98/527,159.52 = 141,159.54/x
  3. Step 3: Cross multiply
    351,373.98x = 527,159.52 × 141,159.54
  4. Step 4: Simplify right side
    351,373.98x = 74,413,595,349.82
  5. Step 5: Solve for x
    x = 74,413,595,349.82/351,373.98
  6. Step 6: Final answer
    x = 211,778.90

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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.