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Finding the Fourth Proportional to 156,959.90, 235,439.85 and 156,959.90

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Solution

The fourth proportional to 156,959.90, 235,439.85 and 156,959.90 is: 235,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,959.90 : 235,439.85 = 156,959.90 : x
  2. Step 2: Convert to fraction form
    156,959.90/235,439.85 = 156,959.90/x
  3. Step 3: Cross multiply
    156,959.90x = 235,439.85 × 156,959.90
  4. Step 4: Simplify right side
    156,959.90x = 36,954,615,312.02
  5. Step 5: Solve for x
    x = 36,954,615,312.02/156,959.90
  6. Step 6: Final answer
    x = 235,439.85

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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.