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Finding the Fourth Proportional to 95,646.80, 131,989.56 and 53,204.96

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Solution

The fourth proportional to 95,646.80, 131,989.56 and 53,204.96 is: 73,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,646.80 : 131,989.56 = 53,204.96 : x
  2. Step 2: Convert to fraction form
    95,646.80/131,989.56 = 53,204.96/x
  3. Step 3: Cross multiply
    95,646.80x = 131,989.56 × 53,204.96
  4. Step 4: Simplify right side
    95,646.80x = 7,022,499,260.22
  5. Step 5: Solve for x
    x = 7,022,499,260.22/95,646.80
  6. Step 6: Final answer
    x = 73,421.16

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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.