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Finding the Fourth Proportional to 160,721.73, 240,373.04 and 97,366.77

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Solution

The fourth proportional to 160,721.73, 240,373.04 and 97,366.77 is: 145,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,721.73 : 240,373.04 = 97,366.77 : x
  2. Step 2: Convert to fraction form
    160,721.73/240,373.04 = 97,366.77/x
  3. Step 3: Cross multiply
    160,721.73x = 240,373.04 × 97,366.77
  4. Step 4: Simplify right side
    160,721.73x = 23,404,346,013.05
  5. Step 5: Solve for x
    x = 23,404,346,013.05/160,721.73
  6. Step 6: Final answer
    x = 145,620.30

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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.