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Finding the Fourth Proportional to 156,615.60, 234,534.60 and 125,511.60

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Solution

The fourth proportional to 156,615.60, 234,534.60 and 125,511.60 is: 187,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,615.60 : 234,534.60 = 125,511.60 : x
  2. Step 2: Convert to fraction form
    156,615.60/234,534.60 = 125,511.60/x
  3. Step 3: Cross multiply
    156,615.60x = 234,534.60 × 125,511.60
  4. Step 4: Simplify right side
    156,615.60x = 29,436,812,901.36
  5. Step 5: Solve for x
    x = 29,436,812,901.36/156,615.60
  6. Step 6: Final answer
    x = 187,955.82

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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.