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Finding the Fourth Proportional to 156,970.60, 235,067.10 and 125,866.60

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Solution

The fourth proportional to 156,970.60, 235,067.10 and 125,866.60 is: 188,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,970.60 : 235,067.10 = 125,866.60 : x
  2. Step 2: Convert to fraction form
    156,970.60/235,067.10 = 125,866.60/x
  3. Step 3: Cross multiply
    156,970.60x = 235,067.10 × 125,866.60
  4. Step 4: Simplify right side
    156,970.60x = 29,587,096,648.86
  5. Step 5: Solve for x
    x = 29,587,096,648.86/156,970.60
  6. Step 6: Final answer
    x = 188,488.14

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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.