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Finding the Fourth Proportional to 247,101.18, 340,999.92 and 133,923.93

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Solution

The fourth proportional to 247,101.18, 340,999.92 and 133,923.93 is: 184,815.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,101.18 : 340,999.92 = 133,923.93 : x
  2. Step 2: Convert to fraction form
    247,101.18/340,999.92 = 133,923.93/x
  3. Step 3: Cross multiply
    247,101.18x = 340,999.92 × 133,923.93
  4. Step 4: Simplify right side
    247,101.18x = 45,668,049,416.09
  5. Step 5: Solve for x
    x = 45,668,049,416.09/247,101.18
  6. Step 6: Final answer
    x = 184,815.18

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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.