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Finding the Fourth Proportional to 159,659.73, 239,490.57 and 47,341.01

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Solution

The fourth proportional to 159,659.73, 239,490.57 and 47,341.01 is: 71,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,659.73 : 239,490.57 = 47,341.01 : x
  2. Step 2: Convert to fraction form
    159,659.73/239,490.57 = 47,341.01/x
  3. Step 3: Cross multiply
    159,659.73x = 239,490.57 × 47,341.01
  4. Step 4: Simplify right side
    159,659.73x = 11,337,724,271.82
  5. Step 5: Solve for x
    x = 11,337,724,271.82/159,659.73
  6. Step 6: Final answer
    x = 71,011.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.