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Finding the Fourth Proportional to 125,596.16, 173,326.08 and 71,144

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Solution

The fourth proportional to 125,596.16, 173,326.08 and 71,144 is: 98,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,596.16 : 173,326.08 = 71,144 : x
  2. Step 2: Convert to fraction form
    125,596.16/173,326.08 = 71,144/x
  3. Step 3: Cross multiply
    125,596.16x = 173,326.08 × 71,144
  4. Step 4: Simplify right side
    125,596.16x = 12,331,110,635.52
  5. Step 5: Solve for x
    x = 12,331,110,635.52/125,596.16
  6. Step 6: Final answer
    x = 98,180.63

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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.