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Finding the Fourth Proportional to 125,797, 173,600.40 and 69,209.32

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Solution

The fourth proportional to 125,797, 173,600.40 and 69,209.32 is: 95,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,797 : 173,600.40 = 69,209.32 : x
  2. Step 2: Convert to fraction form
    125,797/173,600.40 = 69,209.32/x
  3. Step 3: Cross multiply
    125,797x = 173,600.40 × 69,209.32
  4. Step 4: Simplify right side
    125,797x = 12,014,765,635.73
  5. Step 5: Solve for x
    x = 12,014,765,635.73/125,797
  6. Step 6: Final answer
    x = 95,509.16

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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.