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Finding the Fourth Proportional to 156,804.64, 234,625.70 and 93,659.12

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Solution

The fourth proportional to 156,804.64, 234,625.70 and 93,659.12 is: 140,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,804.64 : 234,625.70 = 93,659.12 : x
  2. Step 2: Convert to fraction form
    156,804.64/234,625.70 = 93,659.12/x
  3. Step 3: Cross multiply
    156,804.64x = 234,625.70 × 93,659.12
  4. Step 4: Simplify right side
    156,804.64x = 21,974,836,005.42
  5. Step 5: Solve for x
    x = 21,974,836,005.42/156,804.64
  6. Step 6: Final answer
    x = 140,141.49

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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.