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Finding the Fourth Proportional to 247,295.70, 370,727.55 and 168,153.30

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Solution

The fourth proportional to 247,295.70, 370,727.55 and 168,153.30 is: 252,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,295.70 : 370,727.55 = 168,153.30 : x
  2. Step 2: Convert to fraction form
    247,295.70/370,727.55 = 168,153.30/x
  3. Step 3: Cross multiply
    247,295.70x = 370,727.55 × 168,153.30
  4. Step 4: Simplify right side
    247,295.70x = 62,339,060,933.42
  5. Step 5: Solve for x
    x = 62,339,060,933.42/247,295.70
  6. Step 6: Final answer
    x = 252,083.08

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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.