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Finding the Fourth Proportional to 224,422.80, 336,693.60 and 98,008.80

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Solution

The fourth proportional to 224,422.80, 336,693.60 and 98,008.80 is: 147,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,422.80 : 336,693.60 = 98,008.80 : x
  2. Step 2: Convert to fraction form
    224,422.80/336,693.60 = 98,008.80/x
  3. Step 3: Cross multiply
    224,422.80x = 336,693.60 × 98,008.80
  4. Step 4: Simplify right side
    224,422.80x = 32,998,935,703.68
  5. Step 5: Solve for x
    x = 32,998,935,703.68/224,422.80
  6. Step 6: Final answer
    x = 147,039.14

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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.