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Finding the Fourth Proportional to 95,916.72, 143,963.72 and 48,565.07

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Solution

The fourth proportional to 95,916.72, 143,963.72 and 48,565.07 is: 72,892.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,916.72 : 143,963.72 = 48,565.07 : x
  2. Step 2: Convert to fraction form
    95,916.72/143,963.72 = 48,565.07/x
  3. Step 3: Cross multiply
    95,916.72x = 143,963.72 × 48,565.07
  4. Step 4: Simplify right side
    95,916.72x = 6,991,607,176.62
  5. Step 5: Solve for x
    x = 6,991,607,176.62/95,916.72
  6. Step 6: Final answer
    x = 72,892.48

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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.