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Finding the Fourth Proportional to 188,220.60, 282,549.60 and 113,425.20

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Solution

The fourth proportional to 188,220.60, 282,549.60 and 113,425.20 is: 170,269.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,220.60 : 282,549.60 = 113,425.20 : x
  2. Step 2: Convert to fraction form
    188,220.60/282,549.60 = 113,425.20/x
  3. Step 3: Cross multiply
    188,220.60x = 282,549.60 × 113,425.20
  4. Step 4: Simplify right side
    188,220.60x = 32,048,244,889.92
  5. Step 5: Solve for x
    x = 32,048,244,889.92/188,220.60
  6. Step 6: Final answer
    x = 170,269.59

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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.