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Finding the Fourth Proportional to 238,767.54, 358,036.08 and 138,950.02

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Solution

The fourth proportional to 238,767.54, 358,036.08 and 138,950.02 is: 208,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,767.54 : 358,036.08 = 138,950.02 : x
  2. Step 2: Convert to fraction form
    238,767.54/358,036.08 = 138,950.02/x
  3. Step 3: Cross multiply
    238,767.54x = 358,036.08 × 138,950.02
  4. Step 4: Simplify right side
    238,767.54x = 49,749,120,476.72
  5. Step 5: Solve for x
    x = 49,749,120,476.72/238,767.54
  6. Step 6: Final answer
    x = 208,357.97

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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.