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Finding the Fourth Proportional to 187,851.60, 259,233.71 and 102,968.46

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Solution

The fourth proportional to 187,851.60, 259,233.71 and 102,968.46 is: 142,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,851.60 : 259,233.71 = 102,968.46 : x
  2. Step 2: Convert to fraction form
    187,851.60/259,233.71 = 102,968.46/x
  3. Step 3: Cross multiply
    187,851.60x = 259,233.71 × 102,968.46
  4. Step 4: Simplify right side
    187,851.60x = 26,692,895,383.94
  5. Step 5: Solve for x
    x = 26,692,895,383.94/187,851.60
  6. Step 6: Final answer
    x = 142,095.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.