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Finding the Fourth Proportional to 95,897.77, 143,815.52 and 45,288.97

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Solution

The fourth proportional to 95,897.77, 143,815.52 and 45,288.97 is: 67,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,897.77 : 143,815.52 = 45,288.97 : x
  2. Step 2: Convert to fraction form
    95,897.77/143,815.52 = 45,288.97/x
  3. Step 3: Cross multiply
    95,897.77x = 143,815.52 × 45,288.97
  4. Step 4: Simplify right side
    95,897.77x = 6,513,256,524.50
  5. Step 5: Solve for x
    x = 6,513,256,524.50/95,897.77
  6. Step 6: Final answer
    x = 67,918.75

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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.