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Finding the Fourth Proportional to 95,887.80, 132,321.60 and 53,445.42

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Solution

The fourth proportional to 95,887.80, 132,321.60 and 53,445.42 is: 73,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,887.80 : 132,321.60 = 53,445.42 : x
  2. Step 2: Convert to fraction form
    95,887.80/132,321.60 = 53,445.42/x
  3. Step 3: Cross multiply
    95,887.80x = 132,321.60 × 53,445.42
  4. Step 4: Simplify right side
    95,887.80x = 7,071,983,487.07
  5. Step 5: Solve for x
    x = 7,071,983,487.07/95,887.80
  6. Step 6: Final answer
    x = 73,752.69

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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.