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Finding the Fourth Proportional to 202,848.20, 304,272.30 and 92,040.20

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Solution

The fourth proportional to 202,848.20, 304,272.30 and 92,040.20 is: 138,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,848.20 : 304,272.30 = 92,040.20 : x
  2. Step 2: Convert to fraction form
    202,848.20/304,272.30 = 92,040.20/x
  3. Step 3: Cross multiply
    202,848.20x = 304,272.30 × 92,040.20
  4. Step 4: Simplify right side
    202,848.20x = 28,005,283,346.46
  5. Step 5: Solve for x
    x = 28,005,283,346.46/202,848.20
  6. Step 6: Final answer
    x = 138,060.30

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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.