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Finding the Fourth Proportional to 116,599.96, 160,920.34 and 71,304.44

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Solution

The fourth proportional to 116,599.96, 160,920.34 and 71,304.44 is: 98,407.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,599.96 : 160,920.34 = 71,304.44 : x
  2. Step 2: Convert to fraction form
    116,599.96/160,920.34 = 71,304.44/x
  3. Step 3: Cross multiply
    116,599.96x = 160,920.34 × 71,304.44
  4. Step 4: Simplify right side
    116,599.96x = 11,474,334,728.31
  5. Step 5: Solve for x
    x = 11,474,334,728.31/116,599.96
  6. Step 6: Final answer
    x = 98,407.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.