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Finding the Fourth Proportional to 67,595.73, 101,394.95 and 20,848.61

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Solution

The fourth proportional to 67,595.73, 101,394.95 and 20,848.61 is: 31,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,595.73 : 101,394.95 = 20,848.61 : x
  2. Step 2: Convert to fraction form
    67,595.73/101,394.95 = 20,848.61/x
  3. Step 3: Cross multiply
    67,595.73x = 101,394.95 × 20,848.61
  4. Step 4: Simplify right side
    67,595.73x = 2,113,943,157.30
  5. Step 5: Solve for x
    x = 2,113,943,157.30/67,595.73
  6. Step 6: Final answer
    x = 31,273.32

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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.