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Finding the Fourth Proportional to 125,637, 173,379.06 and 69,052.02

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Solution

The fourth proportional to 125,637, 173,379.06 and 69,052.02 is: 95,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,637 : 173,379.06 = 69,052.02 : x
  2. Step 2: Convert to fraction form
    125,637/173,379.06 = 69,052.02/x
  3. Step 3: Cross multiply
    125,637x = 173,379.06 × 69,052.02
  4. Step 4: Simplify right side
    125,637x = 11,972,174,318.70
  5. Step 5: Solve for x
    x = 11,972,174,318.70/125,637
  6. Step 6: Final answer
    x = 95,291.79

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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.