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Finding the Fourth Proportional to 172,903.97, 259,472.51 and 60,585.22

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Solution

The fourth proportional to 172,903.97, 259,472.51 and 60,585.22 is: 90,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,903.97 : 259,472.51 = 60,585.22 : x
  2. Step 2: Convert to fraction form
    172,903.97/259,472.51 = 60,585.22/x
  3. Step 3: Cross multiply
    172,903.97x = 259,472.51 × 60,585.22
  4. Step 4: Simplify right side
    172,903.97x = 15,720,198,232.17
  5. Step 5: Solve for x
    x = 15,720,198,232.17/172,903.97
  6. Step 6: Final answer
    x = 90,918.67

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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.