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Finding the Fourth Proportional to 239,732.99, 359,505.93 and 89,891.54

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Solution

The fourth proportional to 239,732.99, 359,505.93 and 89,891.54 is: 134,802.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,732.99 : 359,505.93 = 89,891.54 : x
  2. Step 2: Convert to fraction form
    239,732.99/359,505.93 = 89,891.54/x
  3. Step 3: Cross multiply
    239,732.99x = 359,505.93 × 89,891.54
  4. Step 4: Simplify right side
    239,732.99x = 32,316,541,686.83
  5. Step 5: Solve for x
    x = 32,316,541,686.83/239,732.99
  6. Step 6: Final answer
    x = 134,802.23

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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.