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Finding the Fourth Proportional to 239,908.53, 359,851.86 and 79,973.22

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Solution

The fourth proportional to 239,908.53, 359,851.86 and 79,973.22 is: 119,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,908.53 : 359,851.86 = 79,973.22 : x
  2. Step 2: Convert to fraction form
    239,908.53/359,851.86 = 79,973.22/x
  3. Step 3: Cross multiply
    239,908.53x = 359,851.86 × 79,973.22
  4. Step 4: Simplify right side
    239,908.53x = 28,778,511,967.19
  5. Step 5: Solve for x
    x = 28,778,511,967.19/239,908.53
  6. Step 6: Final answer
    x = 119,956.18

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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.