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Finding the Fourth Proportional to 159,802.89, 239,642.03 and 59,908.64

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Solution

The fourth proportional to 159,802.89, 239,642.03 and 59,908.64 is: 89,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,802.89 : 239,642.03 = 59,908.64 : x
  2. Step 2: Convert to fraction form
    159,802.89/239,642.03 = 59,908.64/x
  3. Step 3: Cross multiply
    159,802.89x = 239,642.03 × 59,908.64
  4. Step 4: Simplify right side
    159,802.89x = 14,356,626,606.39
  5. Step 5: Solve for x
    x = 14,356,626,606.39/159,802.89
  6. Step 6: Final answer
    x = 89,839.59

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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.