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Finding the Fourth Proportional to 125,672.34, 173,249.37 and 99,953.22

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Solution

The fourth proportional to 125,672.34, 173,249.37 and 99,953.22 is: 137,793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,672.34 : 173,249.37 = 99,953.22 : x
  2. Step 2: Convert to fraction form
    125,672.34/173,249.37 = 99,953.22/x
  3. Step 3: Cross multiply
    125,672.34x = 173,249.37 × 99,953.22
  4. Step 4: Simplify right side
    125,672.34x = 17,316,832,394.47
  5. Step 5: Solve for x
    x = 17,316,832,394.47/125,672.34
  6. Step 6: Final answer
    x = 137,793.51

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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.