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Finding the Fourth Proportional to 239,802.84, 359,517.96 and 155,384.64

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Solution

The fourth proportional to 239,802.84, 359,517.96 and 155,384.64 is: 232,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,802.84 : 359,517.96 = 155,384.64 : x
  2. Step 2: Convert to fraction form
    239,802.84/359,517.96 = 155,384.64/x
  3. Step 3: Cross multiply
    239,802.84x = 359,517.96 × 155,384.64
  4. Step 4: Simplify right side
    239,802.84x = 55,863,568,788.13
  5. Step 5: Solve for x
    x = 55,863,568,788.13/239,802.84
  6. Step 6: Final answer
    x = 232,956.24

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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.