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Finding the Fourth Proportional to 207,248.22, 310,883.67 and 67,017.78

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Solution

The fourth proportional to 207,248.22, 310,883.67 and 67,017.78 is: 100,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,248.22 : 310,883.67 = 67,017.78 : x
  2. Step 2: Convert to fraction form
    207,248.22/310,883.67 = 67,017.78/x
  3. Step 3: Cross multiply
    207,248.22x = 310,883.67 × 67,017.78
  4. Step 4: Simplify right side
    207,248.22x = 20,834,733,401.65
  5. Step 5: Solve for x
    x = 20,834,733,401.65/207,248.22
  6. Step 6: Final answer
    x = 100,530.34

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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.