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Finding the Fourth Proportional to 116,473.38, 160,722.13 and 68,086.64

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Solution

The fourth proportional to 116,473.38, 160,722.13 and 68,086.64 is: 93,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,473.38 : 160,722.13 = 68,086.64 : x
  2. Step 2: Convert to fraction form
    116,473.38/160,722.13 = 68,086.64/x
  3. Step 3: Cross multiply
    116,473.38x = 160,722.13 × 68,086.64
  4. Step 4: Simplify right side
    116,473.38x = 10,943,029,805.34
  5. Step 5: Solve for x
    x = 10,943,029,805.34/116,473.38
  6. Step 6: Final answer
    x = 93,953.05

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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.