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Finding the Fourth Proportional to 247,381.92, 370,768.76 and 114,077.12

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Solution

The fourth proportional to 247,381.92, 370,768.76 and 114,077.12 is: 170,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,381.92 : 370,768.76 = 114,077.12 : x
  2. Step 2: Convert to fraction form
    247,381.92/370,768.76 = 114,077.12/x
  3. Step 3: Cross multiply
    247,381.92x = 370,768.76 × 114,077.12
  4. Step 4: Simplify right side
    247,381.92x = 42,296,232,326.77
  5. Step 5: Solve for x
    x = 42,296,232,326.77/247,381.92
  6. Step 6: Final answer
    x = 170,975.44

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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.