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Finding the Fourth Proportional to 95,590.90, 131,915.01 and 53,146.90

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Solution

The fourth proportional to 95,590.90, 131,915.01 and 53,146.90 is: 73,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,590.90 : 131,915.01 = 53,146.90 : x
  2. Step 2: Convert to fraction form
    95,590.90/131,915.01 = 53,146.90/x
  3. Step 3: Cross multiply
    95,590.90x = 131,915.01 × 53,146.90
  4. Step 4: Simplify right side
    95,590.90x = 7,010,873,844.97
  5. Step 5: Solve for x
    x = 7,010,873,844.97/95,590.90
  6. Step 6: Final answer
    x = 73,342.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.