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Finding the Fourth Proportional to 254,328.48, 351,037.80 and 173,788.56

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Solution

The fourth proportional to 254,328.48, 351,037.80 and 173,788.56 is: 239,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,328.48 : 351,037.80 = 173,788.56 : x
  2. Step 2: Convert to fraction form
    254,328.48/351,037.80 = 173,788.56/x
  3. Step 3: Cross multiply
    254,328.48x = 351,037.80 × 173,788.56
  4. Step 4: Simplify right side
    254,328.48x = 61,006,353,767.57
  5. Step 5: Solve for x
    x = 61,006,353,767.57/254,328.48
  6. Step 6: Final answer
    x = 239,872.29

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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.