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Finding the Fourth Proportional to 117,613.28, 162,304.36 and 63,899.12

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Solution

The fourth proportional to 117,613.28, 162,304.36 and 63,899.12 is: 88,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,613.28 : 162,304.36 = 63,899.12 : x
  2. Step 2: Convert to fraction form
    117,613.28/162,304.36 = 63,899.12/x
  3. Step 3: Cross multiply
    117,613.28x = 162,304.36 × 63,899.12
  4. Step 4: Simplify right side
    117,613.28x = 10,371,105,776.16
  5. Step 5: Solve for x
    x = 10,371,105,776.16/117,613.28
  6. Step 6: Final answer
    x = 88,179.72

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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.