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Finding the Fourth Proportional to 98,270.80, 147,319.80 and 58,843.60

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Solution

The fourth proportional to 98,270.80, 147,319.80 and 58,843.60 is: 88,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,270.80 : 147,319.80 = 58,843.60 : x
  2. Step 2: Convert to fraction form
    98,270.80/147,319.80 = 58,843.60/x
  3. Step 3: Cross multiply
    98,270.80x = 147,319.80 × 58,843.60
  4. Step 4: Simplify right side
    98,270.80x = 8,668,827,383.28
  5. Step 5: Solve for x
    x = 8,668,827,383.28/98,270.80
  6. Step 6: Final answer
    x = 88,213.66

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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.