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Finding the Fourth Proportional to 86,858.46, 119,870.28 and 48,622.41

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Solution

The fourth proportional to 86,858.46, 119,870.28 and 48,622.41 is: 67,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,858.46 : 119,870.28 = 48,622.41 : x
  2. Step 2: Convert to fraction form
    86,858.46/119,870.28 = 48,622.41/x
  3. Step 3: Cross multiply
    86,858.46x = 119,870.28 × 48,622.41
  4. Step 4: Simplify right side
    86,858.46x = 5,828,381,900.97
  5. Step 5: Solve for x
    x = 5,828,381,900.97/86,858.46
  6. Step 6: Final answer
    x = 67,102.06

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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.