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Finding the Fourth Proportional to 225,464.60, 311,141.02 and 124,862.52

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Solution

The fourth proportional to 225,464.60, 311,141.02 and 124,862.52 is: 172,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,464.60 : 311,141.02 = 124,862.52 : x
  2. Step 2: Convert to fraction form
    225,464.60/311,141.02 = 124,862.52/x
  3. Step 3: Cross multiply
    225,464.60x = 311,141.02 × 124,862.52
  4. Step 4: Simplify right side
    225,464.60x = 38,849,851,832.57
  5. Step 5: Solve for x
    x = 38,849,851,832.57/225,464.60
  6. Step 6: Final answer
    x = 172,310.21

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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.