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Finding the Fourth Proportional to 172,724.99, 259,087.48 and 67,470.14

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Solution

The fourth proportional to 172,724.99, 259,087.48 and 67,470.14 is: 101,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,724.99 : 259,087.48 = 67,470.14 : x
  2. Step 2: Convert to fraction form
    172,724.99/259,087.48 = 67,470.14/x
  3. Step 3: Cross multiply
    172,724.99x = 259,087.48 × 67,470.14
  4. Step 4: Simplify right side
    172,724.99x = 17,480,668,547.85
  5. Step 5: Solve for x
    x = 17,480,668,547.85/172,724.99
  6. Step 6: Final answer
    x = 101,205.21

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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.