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Finding the Fourth Proportional to 95,356.86, 142,923.69 and 63,728.70

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Solution

The fourth proportional to 95,356.86, 142,923.69 and 63,728.70 is: 95,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,356.86 : 142,923.69 = 63,728.70 : x
  2. Step 2: Convert to fraction form
    95,356.86/142,923.69 = 63,728.70/x
  3. Step 3: Cross multiply
    95,356.86x = 142,923.69 × 63,728.70
  4. Step 4: Simplify right side
    95,356.86x = 9,108,340,962.90
  5. Step 5: Solve for x
    x = 9,108,340,962.90/95,356.86
  6. Step 6: Final answer
    x = 95,518.47

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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.