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Finding the Fourth Proportional to 169,160.69, 253,642.63 and 63,987.86

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Solution

The fourth proportional to 169,160.69, 253,642.63 and 63,987.86 is: 95,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,160.69 : 253,642.63 = 63,987.86 : x
  2. Step 2: Convert to fraction form
    169,160.69/253,642.63 = 63,987.86/x
  3. Step 3: Cross multiply
    169,160.69x = 253,642.63 × 63,987.86
  4. Step 4: Simplify right side
    169,160.69x = 16,230,049,098.47
  5. Step 5: Solve for x
    x = 16,230,049,098.47/169,160.69
  6. Step 6: Final answer
    x = 95,944.57

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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.