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Finding the Fourth Proportional to 108,567, 149,831.14 and 63,863.64

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Solution

The fourth proportional to 108,567, 149,831.14 and 63,863.64 is: 88,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,567 : 149,831.14 = 63,863.64 : x
  2. Step 2: Convert to fraction form
    108,567/149,831.14 = 63,863.64/x
  3. Step 3: Cross multiply
    108,567x = 149,831.14 × 63,863.64
  4. Step 4: Simplify right side
    108,567x = 9,568,761,985.75
  5. Step 5: Solve for x
    x = 9,568,761,985.75/108,567
  6. Step 6: Final answer
    x = 88,136.93

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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.