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Finding the Fourth Proportional to 247,302.10, 370,843.80 and 114,113.80

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Solution

The fourth proportional to 247,302.10, 370,843.80 and 114,113.80 is: 171,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,302.10 : 370,843.80 = 114,113.80 : x
  2. Step 2: Convert to fraction form
    247,302.10/370,843.80 = 114,113.80/x
  3. Step 3: Cross multiply
    247,302.10x = 370,843.80 × 114,113.80
  4. Step 4: Simplify right side
    247,302.10x = 42,318,395,224.44
  5. Step 5: Solve for x
    x = 42,318,395,224.44/247,302.10
  6. Step 6: Final answer
    x = 171,120.24

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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.