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Finding the Fourth Proportional to 238,916.52, 358,596.59 and 120,670.97

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Solution

The fourth proportional to 238,916.52, 358,596.59 and 120,670.97 is: 181,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,916.52 : 358,596.59 = 120,670.97 : x
  2. Step 2: Convert to fraction form
    238,916.52/358,596.59 = 120,670.97/x
  3. Step 3: Cross multiply
    238,916.52x = 358,596.59 × 120,670.97
  4. Step 4: Simplify right side
    238,916.52x = 43,272,195,957.65
  5. Step 5: Solve for x
    x = 43,272,195,957.65/238,916.52
  6. Step 6: Final answer
    x = 181,118.48

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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.