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Finding the Fourth Proportional to 125,805.06, 173,608.56 and 69,216.48

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Solution

The fourth proportional to 125,805.06, 173,608.56 and 69,216.48 is: 95,517.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,805.06 : 173,608.56 = 69,216.48 : x
  2. Step 2: Convert to fraction form
    125,805.06/173,608.56 = 69,216.48/x
  3. Step 3: Cross multiply
    125,805.06x = 173,608.56 × 69,216.48
  4. Step 4: Simplify right side
    125,805.06x = 12,016,573,421.07
  5. Step 5: Solve for x
    x = 12,016,573,421.07/125,805.06
  6. Step 6: Final answer
    x = 95,517.41

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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.