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Finding the Fourth Proportional to 86,572.98, 119,471.58 and 48,848.04

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Solution

The fourth proportional to 86,572.98, 119,471.58 and 48,848.04 is: 67,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,572.98 : 119,471.58 = 48,848.04 : x
  2. Step 2: Convert to fraction form
    86,572.98/119,471.58 = 48,848.04/x
  3. Step 3: Cross multiply
    86,572.98x = 119,471.58 × 48,848.04
  4. Step 4: Simplify right side
    86,572.98x = 5,835,952,518.70
  5. Step 5: Solve for x
    x = 5,835,952,518.70/86,572.98
  6. Step 6: Final answer
    x = 67,410.78

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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.