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Finding the Fourth Proportional to 227,751.60, 341,627.40 and 69,979.80

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Solution

The fourth proportional to 227,751.60, 341,627.40 and 69,979.80 is: 104,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,751.60 : 341,627.40 = 69,979.80 : x
  2. Step 2: Convert to fraction form
    227,751.60/341,627.40 = 69,979.80/x
  3. Step 3: Cross multiply
    227,751.60x = 341,627.40 × 69,979.80
  4. Step 4: Simplify right side
    227,751.60x = 23,907,017,126.52
  5. Step 5: Solve for x
    x = 23,907,017,126.52/227,751.60
  6. Step 6: Final answer
    x = 104,969.70

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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.