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Finding the Fourth Proportional to 247,186.72, 341,119.92 and 134,009.74

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Solution

The fourth proportional to 247,186.72, 341,119.92 and 134,009.74 is: 184,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,186.72 : 341,119.92 = 134,009.74 : x
  2. Step 2: Convert to fraction form
    247,186.72/341,119.92 = 134,009.74/x
  3. Step 3: Cross multiply
    247,186.72x = 341,119.92 × 134,009.74
  4. Step 4: Simplify right side
    247,186.72x = 45,713,391,788.02
  5. Step 5: Solve for x
    x = 45,713,391,788.02/247,186.72
  6. Step 6: Final answer
    x = 184,934.66

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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.