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Finding the Fourth Proportional to 251,230.62, 346,717.59 and 143,834.46

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Solution

The fourth proportional to 251,230.62, 346,717.59 and 143,834.46 is: 198,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,230.62 : 346,717.59 = 143,834.46 : x
  2. Step 2: Convert to fraction form
    251,230.62/346,717.59 = 143,834.46/x
  3. Step 3: Cross multiply
    251,230.62x = 346,717.59 × 143,834.46
  4. Step 4: Simplify right side
    251,230.62x = 49,869,937,330.15
  5. Step 5: Solve for x
    x = 49,869,937,330.15/251,230.62
  6. Step 6: Final answer
    x = 198,502.62

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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.