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Finding the Fourth Proportional to 125,617.64, 173,348.91 and 69,029.01

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Solution

The fourth proportional to 125,617.64, 173,348.91 and 69,029.01 is: 95,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,617.64 : 173,348.91 = 69,029.01 : x
  2. Step 2: Convert to fraction form
    125,617.64/173,348.91 = 69,029.01/x
  3. Step 3: Cross multiply
    125,617.64x = 173,348.91 × 69,029.01
  4. Step 4: Simplify right side
    125,617.64x = 11,966,103,641.88
  5. Step 5: Solve for x
    x = 11,966,103,641.88/125,617.64
  6. Step 6: Final answer
    x = 95,258.15

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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.