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Finding the Fourth Proportional to 125,959.56, 173,823.30 and 69,370.60

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Solution

The fourth proportional to 125,959.56, 173,823.30 and 69,370.60 is: 95,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,959.56 : 173,823.30 = 69,370.60 : x
  2. Step 2: Convert to fraction form
    125,959.56/173,823.30 = 69,370.60/x
  3. Step 3: Cross multiply
    125,959.56x = 173,823.30 × 69,370.60
  4. Step 4: Simplify right side
    125,959.56x = 12,058,226,614.98
  5. Step 5: Solve for x
    x = 12,058,226,614.98/125,959.56
  6. Step 6: Final answer
    x = 95,730.94

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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.