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Finding the Fourth Proportional to 240,113.30, 359,919.66 and 90,250.34

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Solution

The fourth proportional to 240,113.30, 359,919.66 and 90,250.34 is: 135,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,113.30 : 359,919.66 = 90,250.34 : x
  2. Step 2: Convert to fraction form
    240,113.30/359,919.66 = 90,250.34/x
  3. Step 3: Cross multiply
    240,113.30x = 359,919.66 × 90,250.34
  4. Step 4: Simplify right side
    240,113.30x = 32,482,871,687.68
  5. Step 5: Solve for x
    x = 32,482,871,687.68/240,113.30
  6. Step 6: Final answer
    x = 135,281.43

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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.