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Finding the Fourth Proportional to 125,615.98, 173,325.54 and 80,259.04

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Solution

The fourth proportional to 125,615.98, 173,325.54 and 80,259.04 is: 110,741.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,615.98 : 173,325.54 = 80,259.04 : x
  2. Step 2: Convert to fraction form
    125,615.98/173,325.54 = 80,259.04/x
  3. Step 3: Cross multiply
    125,615.98x = 173,325.54 × 80,259.04
  4. Step 4: Simplify right side
    125,615.98x = 13,910,941,447.88
  5. Step 5: Solve for x
    x = 13,910,941,447.88/125,615.98
  6. Step 6: Final answer
    x = 110,741.81

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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.