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Finding the Fourth Proportional to 238,431.89, 357,646.93 and 60,938.62

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Solution

The fourth proportional to 238,431.89, 357,646.93 and 60,938.62 is: 91,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,431.89 : 357,646.93 = 60,938.62 : x
  2. Step 2: Convert to fraction form
    238,431.89/357,646.93 = 60,938.62/x
  3. Step 3: Cross multiply
    238,431.89x = 357,646.93 × 60,938.62
  4. Step 4: Simplify right side
    238,431.89x = 21,794,509,314.97
  5. Step 5: Solve for x
    x = 21,794,509,314.97/238,431.89
  6. Step 6: Final answer
    x = 91,407.69

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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.