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Finding the Fourth Proportional to 247,134.28, 341,044.98 and 133,957

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Solution

The fourth proportional to 247,134.28, 341,044.98 and 133,957 is: 184,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,134.28 : 341,044.98 = 133,957 : x
  2. Step 2: Convert to fraction form
    247,134.28/341,044.98 = 133,957/x
  3. Step 3: Cross multiply
    247,134.28x = 341,044.98 × 133,957
  4. Step 4: Simplify right side
    247,134.28x = 45,685,362,385.86
  5. Step 5: Solve for x
    x = 45,685,362,385.86/247,134.28
  6. Step 6: Final answer
    x = 184,860.48

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