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Finding the Fourth Proportional to 351,876.88, 527,772.66 and 99,176.32

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Solution

The fourth proportional to 351,876.88, 527,772.66 and 99,176.32 is: 148,752.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,876.88 : 527,772.66 = 99,176.32 : x
  2. Step 2: Convert to fraction form
    351,876.88/527,772.66 = 99,176.32/x
  3. Step 3: Cross multiply
    351,876.88x = 527,772.66 × 99,176.32
  4. Step 4: Simplify right side
    351,876.88x = 52,342,550,215.41
  5. Step 5: Solve for x
    x = 52,342,550,215.41/351,876.88
  6. Step 6: Final answer
    x = 148,752.46

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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.