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Finding the Fourth Proportional to 116,062.98, 160,154.82 and 68,313.48

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Solution

The fourth proportional to 116,062.98, 160,154.82 and 68,313.48 is: 94,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,062.98 : 160,154.82 = 68,313.48 : x
  2. Step 2: Convert to fraction form
    116,062.98/160,154.82 = 68,313.48/x
  3. Step 3: Cross multiply
    116,062.98x = 160,154.82 × 68,313.48
  4. Step 4: Simplify right side
    116,062.98x = 10,940,733,092.97
  5. Step 5: Solve for x
    x = 10,940,733,092.97/116,062.98
  6. Step 6: Final answer
    x = 94,265.48

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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.