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Finding the Fourth Proportional to 149,305.20, 224,044.20 and 55,820.40

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Solution

The fourth proportional to 149,305.20, 224,044.20 and 55,820.40 is: 83,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,305.20 : 224,044.20 = 55,820.40 : x
  2. Step 2: Convert to fraction form
    149,305.20/224,044.20 = 55,820.40/x
  3. Step 3: Cross multiply
    149,305.20x = 224,044.20 × 55,820.40
  4. Step 4: Simplify right side
    149,305.20x = 12,506,236,861.68
  5. Step 5: Solve for x
    x = 12,506,236,861.68/149,305.20
  6. Step 6: Final answer
    x = 83,762.90

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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.