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Finding the Fourth Proportional to 318,155.33, 477,233.10 and 93,515.80

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Solution

The fourth proportional to 318,155.33, 477,233.10 and 93,515.80 is: 140,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,155.33 : 477,233.10 = 93,515.80 : x
  2. Step 2: Convert to fraction form
    318,155.33/477,233.10 = 93,515.80/x
  3. Step 3: Cross multiply
    318,155.33x = 477,233.10 × 93,515.80
  4. Step 4: Simplify right side
    318,155.33x = 44,628,834,834.71
  5. Step 5: Solve for x
    x = 44,628,834,834.71/318,155.33
  6. Step 6: Final answer
    x = 140,273.73

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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.