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Finding the Fourth Proportional to 86,267.76, 119,050.74 and 48,028.98

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Solution

The fourth proportional to 86,267.76, 119,050.74 and 48,028.98 is: 66,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,267.76 : 119,050.74 = 48,028.98 : x
  2. Step 2: Convert to fraction form
    86,267.76/119,050.74 = 48,028.98/x
  3. Step 3: Cross multiply
    86,267.76x = 119,050.74 × 48,028.98
  4. Step 4: Simplify right side
    86,267.76x = 5,717,885,610.45
  5. Step 5: Solve for x
    x = 5,717,885,610.45/86,267.76
  6. Step 6: Final answer
    x = 66,280.68

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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.