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Finding the Fourth Proportional to 247,137.52, 370,484.34 and 120,706.24

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Solution

The fourth proportional to 247,137.52, 370,484.34 and 120,706.24 is: 180,950.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,137.52 : 370,484.34 = 120,706.24 : x
  2. Step 2: Convert to fraction form
    247,137.52/370,484.34 = 120,706.24/x
  3. Step 3: Cross multiply
    247,137.52x = 370,484.34 × 120,706.24
  4. Step 4: Simplify right side
    247,137.52x = 44,719,771,660.28
  5. Step 5: Solve for x
    x = 44,719,771,660.28/247,137.52
  6. Step 6: Final answer
    x = 180,950.96

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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.