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Finding the Fourth Proportional to 95,152.92, 131,319.05 and 52,715.40

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Solution

The fourth proportional to 95,152.92, 131,319.05 and 52,715.40 is: 72,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,152.92 : 131,319.05 = 52,715.40 : x
  2. Step 2: Convert to fraction form
    95,152.92/131,319.05 = 52,715.40/x
  3. Step 3: Cross multiply
    95,152.92x = 131,319.05 × 52,715.40
  4. Step 4: Simplify right side
    95,152.92x = 6,922,535,984.79
  5. Step 5: Solve for x
    x = 6,922,535,984.79/95,152.92
  6. Step 6: Final answer
    x = 72,751.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.