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Finding the Fourth Proportional to 172,552.90, 258,904.69 and 60,313.65

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Solution

The fourth proportional to 172,552.90, 258,904.69 and 60,313.65 is: 90,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,552.90 : 258,904.69 = 60,313.65 : x
  2. Step 2: Convert to fraction form
    172,552.90/258,904.69 = 60,313.65/x
  3. Step 3: Cross multiply
    172,552.90x = 258,904.69 × 60,313.65
  4. Step 4: Simplify right side
    172,552.90x = 15,615,486,856.02
  5. Step 5: Solve for x
    x = 15,615,486,856.02/172,552.90
  6. Step 6: Final answer
    x = 90,496.81

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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.