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Finding the Fourth Proportional to 238,865.54, 358,298.57 and 61,374.02

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Solution

The fourth proportional to 238,865.54, 358,298.57 and 61,374.02 is: 92,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,865.54 : 358,298.57 = 61,374.02 : x
  2. Step 2: Convert to fraction form
    238,865.54/358,298.57 = 61,374.02/x
  3. Step 3: Cross multiply
    238,865.54x = 358,298.57 × 61,374.02
  4. Step 4: Simplify right side
    238,865.54x = 21,990,221,963.09
  5. Step 5: Solve for x
    x = 21,990,221,963.09/238,865.54
  6. Step 6: Final answer
    x = 92,061.09

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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.