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Finding the Fourth Proportional to 318,155.83, 477,233.85 and 93,516.30

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Solution

The fourth proportional to 318,155.83, 477,233.85 and 93,516.30 is: 140,274.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,155.83 : 477,233.85 = 93,516.30 : x
  2. Step 2: Convert to fraction form
    318,155.83/477,233.85 = 93,516.30/x
  3. Step 3: Cross multiply
    318,155.83x = 477,233.85 × 93,516.30
  4. Step 4: Simplify right side
    318,155.83x = 44,629,143,886.76
  5. Step 5: Solve for x
    x = 44,629,143,886.76/318,155.83
  6. Step 6: Final answer
    x = 140,274.48

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1.5x scale

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.