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Finding the Fourth Proportional to 95,102.92, 142,637.10 and 28,527.40

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Solution

The fourth proportional to 95,102.92, 142,637.10 and 28,527.40 is: 42,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,102.92 : 142,637.10 = 28,527.40 : x
  2. Step 2: Convert to fraction form
    95,102.92/142,637.10 = 28,527.40/x
  3. Step 3: Cross multiply
    95,102.92x = 142,637.10 × 28,527.40
  4. Step 4: Simplify right side
    95,102.92x = 4,069,065,606.54
  5. Step 5: Solve for x
    x = 4,069,065,606.54/95,102.92
  6. Step 6: Final answer
    x = 42,785.92

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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.