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Finding the Fourth Proportional to 227,305.12, 341,020.68 and 99,232.40

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Solution

The fourth proportional to 227,305.12, 341,020.68 and 99,232.40 is: 148,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,305.12 : 341,020.68 = 99,232.40 : x
  2. Step 2: Convert to fraction form
    227,305.12/341,020.68 = 99,232.40/x
  3. Step 3: Cross multiply
    227,305.12x = 341,020.68 × 99,232.40
  4. Step 4: Simplify right side
    227,305.12x = 33,840,300,526.03
  5. Step 5: Solve for x
    x = 33,840,300,526.03/227,305.12
  6. Step 6: Final answer
    x = 148,876.10

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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.