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Finding the Fourth Proportional to 125,452.40, 173,133.40 and 82,937.20

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Solution

The fourth proportional to 125,452.40, 173,133.40 and 82,937.20 is: 114,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,452.40 : 173,133.40 = 82,937.20 : x
  2. Step 2: Convert to fraction form
    125,452.40/173,133.40 = 82,937.20/x
  3. Step 3: Cross multiply
    125,452.40x = 173,133.40 × 82,937.20
  4. Step 4: Simplify right side
    125,452.40x = 14,359,199,422.48
  5. Step 5: Solve for x
    x = 14,359,199,422.48/125,452.40
  6. Step 6: Final answer
    x = 114,459.34

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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.