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Finding the Fourth Proportional to 95,281.44, 142,945.74 and 67,256.40

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Solution

The fourth proportional to 95,281.44, 142,945.74 and 67,256.40 is: 100,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,281.44 : 142,945.74 = 67,256.40 : x
  2. Step 2: Convert to fraction form
    95,281.44/142,945.74 = 67,256.40/x
  3. Step 3: Cross multiply
    95,281.44x = 142,945.74 × 67,256.40
  4. Step 4: Simplify right side
    95,281.44x = 9,614,015,812.59
  5. Step 5: Solve for x
    x = 9,614,015,812.59/95,281.44
  6. Step 6: Final answer
    x = 100,901.24

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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.