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Finding the Fourth Proportional to 238,439.51, 357,658.38 and 60,946.25

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Solution

The fourth proportional to 238,439.51, 357,658.38 and 60,946.25 is: 91,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,439.51 : 357,658.38 = 60,946.25 : x
  2. Step 2: Convert to fraction form
    238,439.51/357,658.38 = 60,946.25/x
  3. Step 3: Cross multiply
    238,439.51x = 357,658.38 × 60,946.25
  4. Step 4: Simplify right side
    238,439.51x = 21,797,937,042.08
  5. Step 5: Solve for x
    x = 21,797,937,042.08/238,439.51
  6. Step 6: Final answer
    x = 91,419.15

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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.