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Finding the Fourth Proportional to 225,244.67, 310,838.51 and 144,672.89

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Solution

The fourth proportional to 225,244.67, 310,838.51 and 144,672.89 is: 199,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,244.67 : 310,838.51 = 144,672.89 : x
  2. Step 2: Convert to fraction form
    225,244.67/310,838.51 = 144,672.89/x
  3. Step 3: Cross multiply
    225,244.67x = 310,838.51 × 144,672.89
  4. Step 4: Simplify right side
    225,244.67x = 44,969,904,372.48
  5. Step 5: Solve for x
    x = 44,969,904,372.48/225,244.67
  6. Step 6: Final answer
    x = 199,649.14

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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.