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Finding the Fourth Proportional to 99,571.79, 149,386.85 and 29,452.97

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Solution

The fourth proportional to 99,571.79, 149,386.85 and 29,452.97 is: 44,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,571.79 : 149,386.85 = 29,452.97 : x
  2. Step 2: Convert to fraction form
    99,571.79/149,386.85 = 29,452.97/x
  3. Step 3: Cross multiply
    99,571.79x = 149,386.85 × 29,452.97
  4. Step 4: Simplify right side
    99,571.79x = 4,399,886,264.18
  5. Step 5: Solve for x
    x = 4,399,886,264.18/99,571.79
  6. Step 6: Final answer
    x = 44,188.08

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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.