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Finding the Fourth Proportional to 99,155.66, 148,701.96 and 32,580.38

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Solution

The fourth proportional to 99,155.66, 148,701.96 and 32,580.38 is: 48,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,155.66 : 148,701.96 = 32,580.38 : x
  2. Step 2: Convert to fraction form
    99,155.66/148,701.96 = 32,580.38/x
  3. Step 3: Cross multiply
    99,155.66x = 148,701.96 × 32,580.38
  4. Step 4: Simplify right side
    99,155.66x = 4,844,766,363.54
  5. Step 5: Solve for x
    x = 4,844,766,363.54/99,155.66
  6. Step 6: Final answer
    x = 48,860.21

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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.