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Finding the Fourth Proportional to 124,655.88, 171,928.08 and 110,331.12

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Solution

The fourth proportional to 124,655.88, 171,928.08 and 110,331.12 is: 152,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,655.88 : 171,928.08 = 110,331.12 : x
  2. Step 2: Convert to fraction form
    124,655.88/171,928.08 = 110,331.12/x
  3. Step 3: Cross multiply
    124,655.88x = 171,928.08 × 110,331.12
  4. Step 4: Simplify right side
    124,655.88x = 18,969,017,625.85
  5. Step 5: Solve for x
    x = 18,969,017,625.85/124,655.88
  6. Step 6: Final answer
    x = 152,171.06

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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.