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Finding the Fourth Proportional to 238,276.80, 357,544.80 and 98,049.60

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Solution

The fourth proportional to 238,276.80, 357,544.80 and 98,049.60 is: 147,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,276.80 : 357,544.80 = 98,049.60 : x
  2. Step 2: Convert to fraction form
    238,276.80/357,544.80 = 98,049.60/x
  3. Step 3: Cross multiply
    238,276.80x = 357,544.80 × 98,049.60
  4. Step 4: Simplify right side
    238,276.80x = 35,057,124,622.08
  5. Step 5: Solve for x
    x = 35,057,124,622.08/238,276.80
  6. Step 6: Final answer
    x = 147,127.73

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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.