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Finding the Fourth Proportional to 95,975.40, 143,963.10 and 84,894.60

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Solution

The fourth proportional to 95,975.40, 143,963.10 and 84,894.60 is: 127,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,975.40 : 143,963.10 = 84,894.60 : x
  2. Step 2: Convert to fraction form
    95,975.40/143,963.10 = 84,894.60/x
  3. Step 3: Cross multiply
    95,975.40x = 143,963.10 × 84,894.60
  4. Step 4: Simplify right side
    95,975.40x = 12,221,689,789.26
  5. Step 5: Solve for x
    x = 12,221,689,789.26/95,975.40
  6. Step 6: Final answer
    x = 127,341.90

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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.