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Finding the Fourth Proportional to 86,841.73, 119,846.87 and 48,600.50

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Solution

The fourth proportional to 86,841.73, 119,846.87 and 48,600.50 is: 67,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,841.73 : 119,846.87 = 48,600.50 : x
  2. Step 2: Convert to fraction form
    86,841.73/119,846.87 = 48,600.50/x
  3. Step 3: Cross multiply
    86,841.73x = 119,846.87 × 48,600.50
  4. Step 4: Simplify right side
    86,841.73x = 5,824,617,373.20
  5. Step 5: Solve for x
    x = 5,824,617,373.20/86,841.73
  6. Step 6: Final answer
    x = 67,071.64

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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.