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Finding the Fourth Proportional to 156,959.60, 235,050.60 and 100,713.20

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Solution

The fourth proportional to 156,959.60, 235,050.60 and 100,713.20 is: 150,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,959.60 : 235,050.60 = 100,713.20 : x
  2. Step 2: Convert to fraction form
    156,959.60/235,050.60 = 100,713.20/x
  3. Step 3: Cross multiply
    156,959.60x = 235,050.60 × 100,713.20
  4. Step 4: Simplify right side
    156,959.60x = 23,672,698,087.92
  5. Step 5: Solve for x
    x = 23,672,698,087.92/156,959.60
  6. Step 6: Final answer
    x = 150,820.33

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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.