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Finding the Fourth Proportional to 125,806.56, 173,615.70 and 69,218.04

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Solution

The fourth proportional to 125,806.56, 173,615.70 and 69,218.04 is: 95,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,806.56 : 173,615.70 = 69,218.04 : x
  2. Step 2: Convert to fraction form
    125,806.56/173,615.70 = 69,218.04/x
  3. Step 3: Cross multiply
    125,806.56x = 173,615.70 × 69,218.04
  4. Step 4: Simplify right side
    125,806.56x = 12,017,338,467.23
  5. Step 5: Solve for x
    x = 12,017,338,467.23/125,806.56
  6. Step 6: Final answer
    x = 95,522.35

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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.