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Finding the Fourth Proportional to 159,502.74, 219,960.27 and 104,957.34

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Solution

The fourth proportional to 159,502.74, 219,960.27 and 104,957.34 is: 144,740.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,502.74 : 219,960.27 = 104,957.34 : x
  2. Step 2: Convert to fraction form
    159,502.74/219,960.27 = 104,957.34/x
  3. Step 3: Cross multiply
    159,502.74x = 219,960.27 × 104,957.34
  4. Step 4: Simplify right side
    159,502.74x = 23,086,444,844.88
  5. Step 5: Solve for x
    x = 23,086,444,844.88/159,502.74
  6. Step 6: Final answer
    x = 144,740.11

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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.