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Finding the Fourth Proportional to 203,110.01, 304,466.15 and 84,815.18

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Solution

The fourth proportional to 203,110.01, 304,466.15 and 84,815.18 is: 127,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,110.01 : 304,466.15 = 84,815.18 : x
  2. Step 2: Convert to fraction form
    203,110.01/304,466.15 = 84,815.18/x
  3. Step 3: Cross multiply
    203,110.01x = 304,466.15 × 84,815.18
  4. Step 4: Simplify right side
    203,110.01x = 25,823,350,005.86
  5. Step 5: Solve for x
    x = 25,823,350,005.86/203,110.01
  6. Step 6: Final answer
    x = 127,139.72

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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.