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Finding the Fourth Proportional to 125,580.48, 173,257.48 and 80,284.97

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Solution

The fourth proportional to 125,580.48, 173,257.48 and 80,284.97 is: 110,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,580.48 : 173,257.48 = 80,284.97 : x
  2. Step 2: Convert to fraction form
    125,580.48/173,257.48 = 80,284.97/x
  3. Step 3: Cross multiply
    125,580.48x = 173,257.48 × 80,284.97
  4. Step 4: Simplify right side
    125,580.48x = 13,909,972,117.58
  5. Step 5: Solve for x
    x = 13,909,972,117.58/125,580.48
  6. Step 6: Final answer
    x = 110,765.40

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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.