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Finding the Fourth Proportional to 160,592.36, 240,826.23 and 85,671.61

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Solution

The fourth proportional to 160,592.36, 240,826.23 and 85,671.61 is: 128,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,592.36 : 240,826.23 = 85,671.61 : x
  2. Step 2: Convert to fraction form
    160,592.36/240,826.23 = 85,671.61/x
  3. Step 3: Cross multiply
    160,592.36x = 240,826.23 × 85,671.61
  4. Step 4: Simplify right side
    160,592.36x = 20,631,970,252.26
  5. Step 5: Solve for x
    x = 20,631,970,252.26/160,592.36
  6. Step 6: Final answer
    x = 128,474.17

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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.