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Finding the Fourth Proportional to 125,468.33, 173,067.53 and 74,444.94

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Solution

The fourth proportional to 125,468.33, 173,067.53 and 74,444.94 is: 102,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,468.33 : 173,067.53 = 74,444.94 : x
  2. Step 2: Convert to fraction form
    125,468.33/173,067.53 = 74,444.94/x
  3. Step 3: Cross multiply
    125,468.33x = 173,067.53 × 74,444.94
  4. Step 4: Simplify right side
    125,468.33x = 12,884,001,514.57
  5. Step 5: Solve for x
    x = 12,884,001,514.57/125,468.33
  6. Step 6: Final answer
    x = 102,687.28

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1.5x scale

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.