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Finding the Fourth Proportional to 125,714.88, 173,491.20 and 75,404.16

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Solution

The fourth proportional to 125,714.88, 173,491.20 and 75,404.16 is: 104,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,714.88 : 173,491.20 = 75,404.16 : x
  2. Step 2: Convert to fraction form
    125,714.88/173,491.20 = 75,404.16/x
  3. Step 3: Cross multiply
    125,714.88x = 173,491.20 × 75,404.16
  4. Step 4: Simplify right side
    125,714.88x = 13,081,958,203.39
  5. Step 5: Solve for x
    x = 13,081,958,203.39/125,714.88
  6. Step 6: Final answer
    x = 104,060.54

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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.