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Finding the Fourth Proportional to 179,809.94, 268,347.68 and 159,881.42

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Solution

The fourth proportional to 179,809.94, 268,347.68 and 159,881.42 is: 238,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,809.94 : 268,347.68 = 159,881.42 : x
  2. Step 2: Convert to fraction form
    179,809.94/268,347.68 = 159,881.42/x
  3. Step 3: Cross multiply
    179,809.94x = 268,347.68 × 159,881.42
  4. Step 4: Simplify right side
    179,809.94x = 42,903,808,132.11
  5. Step 5: Solve for x
    x = 42,903,808,132.11/179,809.94
  6. Step 6: Final answer
    x = 238,606.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.