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Finding the Fourth Proportional to 125,807.56, 173,617.08 and 69,219.04

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Solution

The fourth proportional to 125,807.56, 173,617.08 and 69,219.04 is: 95,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,807.56 : 173,617.08 = 69,219.04 : x
  2. Step 2: Convert to fraction form
    125,807.56/173,617.08 = 69,219.04/x
  3. Step 3: Cross multiply
    125,807.56x = 173,617.08 × 69,219.04
  4. Step 4: Simplify right side
    125,807.56x = 12,017,607,605.20
  5. Step 5: Solve for x
    x = 12,017,607,605.20/125,807.56
  6. Step 6: Final answer
    x = 95,523.73

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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.