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Finding the Fourth Proportional to 95,175.60, 142,763.40 and 90,801.60

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Solution

The fourth proportional to 95,175.60, 142,763.40 and 90,801.60 is: 136,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,175.60 : 142,763.40 = 90,801.60 : x
  2. Step 2: Convert to fraction form
    95,175.60/142,763.40 = 90,801.60/x
  3. Step 3: Cross multiply
    95,175.60x = 142,763.40 × 90,801.60
  4. Step 4: Simplify right side
    95,175.60x = 12,963,145,141.44
  5. Step 5: Solve for x
    x = 12,963,145,141.44/95,175.60
  6. Step 6: Final answer
    x = 136,202.40

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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.