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Finding the Fourth Proportional to 73,312.71, 109,915.20 and 23,363.93

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Solution

The fourth proportional to 73,312.71, 109,915.20 and 23,363.93 is: 35,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,312.71 : 109,915.20 = 23,363.93 : x
  2. Step 2: Convert to fraction form
    73,312.71/109,915.20 = 23,363.93/x
  3. Step 3: Cross multiply
    73,312.71x = 109,915.20 × 23,363.93
  4. Step 4: Simplify right side
    73,312.71x = 2,568,050,489.16
  5. Step 5: Solve for x
    x = 2,568,050,489.16/73,312.71
  6. Step 6: Final answer
    x = 35,028.72

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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.