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Finding the Fourth Proportional to 133,728.30, 200,543.85 and 44,984.70

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Solution

The fourth proportional to 133,728.30, 200,543.85 and 44,984.70 is: 67,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,728.30 : 200,543.85 = 44,984.70 : x
  2. Step 2: Convert to fraction form
    133,728.30/200,543.85 = 44,984.70/x
  3. Step 3: Cross multiply
    133,728.30x = 200,543.85 × 44,984.70
  4. Step 4: Simplify right side
    133,728.30x = 9,021,404,929.10
  5. Step 5: Solve for x
    x = 9,021,404,929.10/133,728.30
  6. Step 6: Final answer
    x = 67,460.70

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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.