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Finding the Fourth Proportional to 73,308.76, 101,135.82 and 49,442.92

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Solution

The fourth proportional to 73,308.76, 101,135.82 and 49,442.92 is: 68,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,308.76 : 101,135.82 = 49,442.92 : x
  2. Step 2: Convert to fraction form
    73,308.76/101,135.82 = 49,442.92/x
  3. Step 3: Cross multiply
    73,308.76x = 101,135.82 × 49,442.92
  4. Step 4: Simplify right side
    73,308.76x = 5,000,450,257.39
  5. Step 5: Solve for x
    x = 5,000,450,257.39/73,308.76
  6. Step 6: Final answer
    x = 68,210.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.