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Finding the Fourth Proportional to 156,967.60, 235,062.60 and 125,863.60

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Solution

The fourth proportional to 156,967.60, 235,062.60 and 125,863.60 is: 188,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,967.60 : 235,062.60 = 125,863.60 : x
  2. Step 2: Convert to fraction form
    156,967.60/235,062.60 = 125,863.60/x
  3. Step 3: Cross multiply
    156,967.60x = 235,062.60 × 125,863.60
  4. Step 4: Simplify right side
    156,967.60x = 29,585,825,061.36
  5. Step 5: Solve for x
    x = 29,585,825,061.36/156,967.60
  6. Step 6: Final answer
    x = 188,483.64

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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.