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Finding the Fourth Proportional to 169,159.69, 253,641.13 and 63,986.86

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Solution

The fourth proportional to 169,159.69, 253,641.13 and 63,986.86 is: 95,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,159.69 : 253,641.13 = 63,986.86 : x
  2. Step 2: Convert to fraction form
    169,159.69/253,641.13 = 63,986.86/x
  3. Step 3: Cross multiply
    169,159.69x = 253,641.13 × 63,986.86
  4. Step 4: Simplify right side
    169,159.69x = 16,229,699,475.55
  5. Step 5: Solve for x
    x = 16,229,699,475.55/169,159.69
  6. Step 6: Final answer
    x = 95,943.07

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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.