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Finding the Fourth Proportional to 159,903.96, 239,593.48 and 54,665.52

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Solution

The fourth proportional to 159,903.96, 239,593.48 and 54,665.52 is: 81,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,903.96 : 239,593.48 = 54,665.52 : x
  2. Step 2: Convert to fraction form
    159,903.96/239,593.48 = 54,665.52/x
  3. Step 3: Cross multiply
    159,903.96x = 239,593.48 × 54,665.52
  4. Step 4: Simplify right side
    159,903.96x = 13,097,502,172.81
  5. Step 5: Solve for x
    x = 13,097,502,172.81/159,903.96
  6. Step 6: Final answer
    x = 81,908.55

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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.