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Finding the Fourth Proportional to 273,751.60, 410,627.40 and 74,102.80

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Solution

The fourth proportional to 273,751.60, 410,627.40 and 74,102.80 is: 111,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,751.60 : 410,627.40 = 74,102.80 : x
  2. Step 2: Convert to fraction form
    273,751.60/410,627.40 = 74,102.80/x
  3. Step 3: Cross multiply
    273,751.60x = 410,627.40 × 74,102.80
  4. Step 4: Simplify right side
    273,751.60x = 30,428,640,096.72
  5. Step 5: Solve for x
    x = 30,428,640,096.72/273,751.60
  6. Step 6: Final answer
    x = 111,154.20

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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.