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Finding the Fourth Proportional to 202,881.20, 304,062.60 and 147,412.40

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Solution

The fourth proportional to 202,881.20, 304,062.60 and 147,412.40 is: 220,930.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,881.20 : 304,062.60 = 147,412.40 : x
  2. Step 2: Convert to fraction form
    202,881.20/304,062.60 = 147,412.40/x
  3. Step 3: Cross multiply
    202,881.20x = 304,062.60 × 147,412.40
  4. Step 4: Simplify right side
    202,881.20x = 44,822,597,616.24
  5. Step 5: Solve for x
    x = 44,822,597,616.24/202,881.20
  6. Step 6: Final answer
    x = 220,930.27

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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.