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Finding the Fourth Proportional to 172,819.17, 259,228.35 and 67,564.13

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Solution

The fourth proportional to 172,819.17, 259,228.35 and 67,564.13 is: 101,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,819.17 : 259,228.35 = 67,564.13 : x
  2. Step 2: Convert to fraction form
    172,819.17/259,228.35 = 67,564.13/x
  3. Step 3: Cross multiply
    172,819.17x = 259,228.35 × 67,564.13
  4. Step 4: Simplify right side
    172,819.17x = 17,514,536,642.94
  5. Step 5: Solve for x
    x = 17,514,536,642.94/172,819.17
  6. Step 6: Final answer
    x = 101,346.03

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1.5x scale

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.