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Finding the Fourth Proportional to 86,706.76, 119,665.04 and 48,983.44

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Solution

The fourth proportional to 86,706.76, 119,665.04 and 48,983.44 is: 67,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,706.76 : 119,665.04 = 48,983.44 : x
  2. Step 2: Convert to fraction form
    86,706.76/119,665.04 = 48,983.44/x
  3. Step 3: Cross multiply
    86,706.76x = 119,665.04 × 48,983.44
  4. Step 4: Simplify right side
    86,706.76x = 5,861,605,306.94
  5. Step 5: Solve for x
    x = 5,861,605,306.94/86,706.76
  6. Step 6: Final answer
    x = 67,602.63

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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.