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Finding the Fourth Proportional to 225,417.63, 338,250.94 and 125,634.04

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Solution

The fourth proportional to 225,417.63, 338,250.94 and 125,634.04 is: 188,520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,417.63 : 338,250.94 = 125,634.04 : x
  2. Step 2: Convert to fraction form
    225,417.63/338,250.94 = 125,634.04/x
  3. Step 3: Cross multiply
    225,417.63x = 338,250.94 × 125,634.04
  4. Step 4: Simplify right side
    225,417.63x = 42,495,830,966.29
  5. Step 5: Solve for x
    x = 42,495,830,966.29/225,417.63
  6. Step 6: Final answer
    x = 188,520.44

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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.