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Finding the Fourth Proportional to 239,044.82, 358,452.86 and 139,233.47

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Solution

The fourth proportional to 239,044.82, 358,452.86 and 139,233.47 is: 208,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,044.82 : 358,452.86 = 139,233.47 : x
  2. Step 2: Convert to fraction form
    239,044.82/358,452.86 = 139,233.47/x
  3. Step 3: Cross multiply
    239,044.82x = 358,452.86 × 139,233.47
  4. Step 4: Simplify right side
    239,044.82x = 49,908,635,729.19
  5. Step 5: Solve for x
    x = 49,908,635,729.19/239,044.82
  6. Step 6: Final answer
    x = 208,783.59

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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.