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Finding the Fourth Proportional to 247,105.94, 370,235.78 and 134,864.92

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Solution

The fourth proportional to 247,105.94, 370,235.78 and 134,864.92 is: 202,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,105.94 : 370,235.78 = 134,864.92 : x
  2. Step 2: Convert to fraction form
    247,105.94/370,235.78 = 134,864.92/x
  3. Step 3: Cross multiply
    247,105.94x = 370,235.78 × 134,864.92
  4. Step 4: Simplify right side
    247,105.94x = 49,931,817,062.47
  5. Step 5: Solve for x
    x = 49,931,817,062.47/247,105.94
  6. Step 6: Final answer
    x = 202,066.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.