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Finding the Fourth Proportional to 86,396.50, 119,267.13 and 60,923.62

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Solution

The fourth proportional to 86,396.50, 119,267.13 and 60,923.62 is: 84,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,396.50 : 119,267.13 = 60,923.62 : x
  2. Step 2: Convert to fraction form
    86,396.50/119,267.13 = 60,923.62/x
  3. Step 3: Cross multiply
    86,396.50x = 119,267.13 × 60,923.62
  4. Step 4: Simplify right side
    86,396.50x = 7,266,185,306.61
  5. Step 5: Solve for x
    x = 7,266,185,306.61/86,396.50
  6. Step 6: Final answer
    x = 84,102.77

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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.