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Finding the Fourth Proportional to 119,894.72, 179,869.62 and 41,008.82

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Solution

The fourth proportional to 119,894.72, 179,869.62 and 41,008.82 is: 61,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,894.72 : 179,869.62 = 41,008.82 : x
  2. Step 2: Convert to fraction form
    119,894.72/179,869.62 = 41,008.82/x
  3. Step 3: Cross multiply
    119,894.72x = 179,869.62 × 41,008.82
  4. Step 4: Simplify right side
    119,894.72x = 7,376,240,870.05
  5. Step 5: Solve for x
    x = 7,376,240,870.05/119,894.72
  6. Step 6: Final answer
    x = 61,522.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.