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Finding the Fourth Proportional to 117,613.01, 162,305.10 and 63,898.47

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Solution

The fourth proportional to 117,613.01, 162,305.10 and 63,898.47 is: 88,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,613.01 : 162,305.10 = 63,898.47 : x
  2. Step 2: Convert to fraction form
    117,613.01/162,305.10 = 63,898.47/x
  3. Step 3: Cross multiply
    117,613.01x = 162,305.10 × 63,898.47
  4. Step 4: Simplify right side
    117,613.01x = 10,371,047,563.20
  5. Step 5: Solve for x
    x = 10,371,047,563.20/117,613.01
  6. Step 6: Final answer
    x = 88,179.42

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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.