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Finding the Fourth Proportional to 73,903.90, 110,823.45 and 29,515.90

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Solution

The fourth proportional to 73,903.90, 110,823.45 and 29,515.90 is: 44,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,903.90 : 110,823.45 = 29,515.90 : x
  2. Step 2: Convert to fraction form
    73,903.90/110,823.45 = 29,515.90/x
  3. Step 3: Cross multiply
    73,903.90x = 110,823.45 × 29,515.90
  4. Step 4: Simplify right side
    73,903.90x = 3,271,053,867.86
  5. Step 5: Solve for x
    x = 3,271,053,867.86/73,903.90
  6. Step 6: Final answer
    x = 44,260.91

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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.