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Finding the Fourth Proportional to 159,463.48, 220,058.58 and 87,841.84

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Solution

The fourth proportional to 159,463.48, 220,058.58 and 87,841.84 is: 121,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,463.48 : 220,058.58 = 87,841.84 : x
  2. Step 2: Convert to fraction form
    159,463.48/220,058.58 = 87,841.84/x
  3. Step 3: Cross multiply
    159,463.48x = 220,058.58 × 87,841.84
  4. Step 4: Simplify right side
    159,463.48x = 19,330,350,574.99
  5. Step 5: Solve for x
    x = 19,330,350,574.99/159,463.48
  6. Step 6: Final answer
    x = 121,221.18

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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.