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Finding the Fourth Proportional to 247,106.61, 340,997.94 and 133,926.93

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Solution

The fourth proportional to 247,106.61, 340,997.94 and 133,926.93 is: 184,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,106.61 : 340,997.94 = 133,926.93 : x
  2. Step 2: Convert to fraction form
    247,106.61/340,997.94 = 133,926.93/x
  3. Step 3: Cross multiply
    247,106.61x = 340,997.94 × 133,926.93
  4. Step 4: Simplify right side
    247,106.61x = 45,668,807,240.52
  5. Step 5: Solve for x
    x = 45,668,807,240.52/247,106.61
  6. Step 6: Final answer
    x = 184,814.19

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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.