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Finding the Fourth Proportional to 95,228.92, 142,829.61 and 66,679.26

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Solution

The fourth proportional to 95,228.92, 142,829.61 and 66,679.26 is: 100,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,228.92 : 142,829.61 = 66,679.26 : x
  2. Step 2: Convert to fraction form
    95,228.92/142,829.61 = 66,679.26/x
  3. Step 3: Cross multiply
    95,228.92x = 142,829.61 × 66,679.26
  4. Step 4: Simplify right side
    95,228.92x = 9,523,772,700.89
  5. Step 5: Solve for x
    x = 9,523,772,700.89/95,228.92
  6. Step 6: Final answer
    x = 100,009.25

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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.