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Finding the Fourth Proportional to 125,764.65, 173,551.41 and 69,175.89

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Solution

The fourth proportional to 125,764.65, 173,551.41 and 69,175.89 is: 95,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,764.65 : 173,551.41 = 69,175.89 : x
  2. Step 2: Convert to fraction form
    125,764.65/173,551.41 = 69,175.89/x
  3. Step 3: Cross multiply
    125,764.65x = 173,551.41 × 69,175.89
  4. Step 4: Simplify right side
    125,764.65x = 12,005,573,247.50
  5. Step 5: Solve for x
    x = 12,005,573,247.50/125,764.65
  6. Step 6: Final answer
    x = 95,460.63

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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.