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Finding the Fourth Proportional to 73,866.30, 110,799.45 and 34,427.40

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Solution

The fourth proportional to 73,866.30, 110,799.45 and 34,427.40 is: 51,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,866.30 : 110,799.45 = 34,427.40 : x
  2. Step 2: Convert to fraction form
    73,866.30/110,799.45 = 34,427.40/x
  3. Step 3: Cross multiply
    73,866.30x = 110,799.45 × 34,427.40
  4. Step 4: Simplify right side
    73,866.30x = 3,814,536,984.93
  5. Step 5: Solve for x
    x = 3,814,536,984.93/73,866.30
  6. Step 6: Final answer
    x = 51,641.10

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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.