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Finding the Fourth Proportional to 73,293.30, 109,930.23 and 40,050.90

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Solution

The fourth proportional to 73,293.30, 109,930.23 and 40,050.90 is: 60,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,293.30 : 109,930.23 = 40,050.90 : x
  2. Step 2: Convert to fraction form
    73,293.30/109,930.23 = 40,050.90/x
  3. Step 3: Cross multiply
    73,293.30x = 109,930.23 × 40,050.90
  4. Step 4: Simplify right side
    73,293.30x = 4,402,804,648.71
  5. Step 5: Solve for x
    x = 4,402,804,648.71/73,293.30
  6. Step 6: Final answer
    x = 60,071.04

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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.