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Finding the Fourth Proportional to 125,633.52, 173,377.80 and 69,048.54

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Solution

The fourth proportional to 125,633.52, 173,377.80 and 69,048.54 is: 95,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,633.52 : 173,377.80 = 69,048.54 : x
  2. Step 2: Convert to fraction form
    125,633.52/173,377.80 = 69,048.54/x
  3. Step 3: Cross multiply
    125,633.52x = 173,377.80 × 69,048.54
  4. Step 4: Simplify right side
    125,633.52x = 11,971,483,958.41
  5. Step 5: Solve for x
    x = 11,971,483,958.41/125,633.52
  6. Step 6: Final answer
    x = 95,288.93

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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.