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Finding the Fourth Proportional to 95,915.81, 143,876.45 and 25,795.13

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Solution

The fourth proportional to 95,915.81, 143,876.45 and 25,795.13 is: 38,693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,915.81 : 143,876.45 = 25,795.13 : x
  2. Step 2: Convert to fraction form
    95,915.81/143,876.45 = 25,795.13/x
  3. Step 3: Cross multiply
    95,915.81x = 143,876.45 × 25,795.13
  4. Step 4: Simplify right side
    95,915.81x = 3,711,311,076.79
  5. Step 5: Solve for x
    x = 3,711,311,076.79/95,915.81
  6. Step 6: Final answer
    x = 38,693.42

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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.