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Finding the Fourth Proportional to 125,596, 173,323.74 and 69,008.59

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Solution

The fourth proportional to 125,596, 173,323.74 and 69,008.59 is: 95,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,596 : 173,323.74 = 69,008.59 : x
  2. Step 2: Convert to fraction form
    125,596/173,323.74 = 69,008.59/x
  3. Step 3: Cross multiply
    125,596x = 173,323.74 × 69,008.59
  4. Step 4: Simplify right side
    125,596x = 11,960,826,910.93
  5. Step 5: Solve for x
    x = 11,960,826,910.93/125,596
  6. Step 6: Final answer
    x = 95,232.55

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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.