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Finding the Fourth Proportional to 224,713.40, 337,118.70 and 74,928.20

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Solution

The fourth proportional to 224,713.40, 337,118.70 and 74,928.20 is: 112,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,713.40 : 337,118.70 = 74,928.20 : x
  2. Step 2: Convert to fraction form
    224,713.40/337,118.70 = 74,928.20/x
  3. Step 3: Cross multiply
    224,713.40x = 337,118.70 × 74,928.20
  4. Step 4: Simplify right side
    224,713.40x = 25,259,697,377.34
  5. Step 5: Solve for x
    x = 25,259,697,377.34/224,713.40
  6. Step 6: Final answer
    x = 112,408.51

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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.