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Finding the Fourth Proportional to 238,792.54, 358,212.07 and 88,997.74

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Solution

The fourth proportional to 238,792.54, 358,212.07 and 88,997.74 is: 133,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,792.54 : 358,212.07 = 88,997.74 : x
  2. Step 2: Convert to fraction form
    238,792.54/358,212.07 = 88,997.74/x
  3. Step 3: Cross multiply
    238,792.54x = 358,212.07 × 88,997.74
  4. Step 4: Simplify right side
    238,792.54x = 31,880,064,670.72
  5. Step 5: Solve for x
    x = 31,880,064,670.72/238,792.54
  6. Step 6: Final answer
    x = 133,505.28

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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.