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Finding the Fourth Proportional to 247,054.46, 370,600.52 and 78,583.77

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Solution

The fourth proportional to 247,054.46, 370,600.52 and 78,583.77 is: 117,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,054.46 : 370,600.52 = 78,583.77 : x
  2. Step 2: Convert to fraction form
    247,054.46/370,600.52 = 78,583.77/x
  3. Step 3: Cross multiply
    247,054.46x = 370,600.52 × 78,583.77
  4. Step 4: Simplify right side
    247,054.46x = 29,123,185,632.64
  5. Step 5: Solve for x
    x = 29,123,185,632.64/247,054.46
  6. Step 6: Final answer
    x = 117,881.65

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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.