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Finding the Fourth Proportional to 318,059.43, 477,015.30 and 93,359.52

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Solution

The fourth proportional to 318,059.43, 477,015.30 and 93,359.52 is: 140,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,059.43 : 477,015.30 = 93,359.52 : x
  2. Step 2: Convert to fraction form
    318,059.43/477,015.30 = 93,359.52/x
  3. Step 3: Cross multiply
    318,059.43x = 477,015.30 × 93,359.52
  4. Step 4: Simplify right side
    318,059.43x = 44,533,919,440.66
  5. Step 5: Solve for x
    x = 44,533,919,440.66/318,059.43
  6. Step 6: Final answer
    x = 140,017.60

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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.