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Finding the Fourth Proportional to 109,323.64, 150,877.34 and 63,998.86

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Solution

The fourth proportional to 109,323.64, 150,877.34 and 63,998.86 is: 88,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,323.64 : 150,877.34 = 63,998.86 : x
  2. Step 2: Convert to fraction form
    109,323.64/150,877.34 = 63,998.86/x
  3. Step 3: Cross multiply
    109,323.64x = 150,877.34 × 63,998.86
  4. Step 4: Simplify right side
    109,323.64x = 9,655,977,759.83
  5. Step 5: Solve for x
    x = 9,655,977,759.83/109,323.64
  6. Step 6: Final answer
    x = 88,324.70

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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.