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Finding the Fourth Proportional to 125,960.81, 173,818.01 and 69,372.18

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Solution

The fourth proportional to 125,960.81, 173,818.01 and 69,372.18 is: 95,729.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,960.81 : 173,818.01 = 69,372.18 : x
  2. Step 2: Convert to fraction form
    125,960.81/173,818.01 = 69,372.18/x
  3. Step 3: Cross multiply
    125,960.81x = 173,818.01 × 69,372.18
  4. Step 4: Simplify right side
    125,960.81x = 12,058,133,930.10
  5. Step 5: Solve for x
    x = 12,058,133,930.10/125,960.81
  6. Step 6: Final answer
    x = 95,729.25

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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.