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Finding the Fourth Proportional to 247,267.86, 341,237.71 and 161,283.12

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Solution

The fourth proportional to 247,267.86, 341,237.71 and 161,283.12 is: 222,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,267.86 : 341,237.71 = 161,283.12 : x
  2. Step 2: Convert to fraction form
    247,267.86/341,237.71 = 161,283.12/x
  3. Step 3: Cross multiply
    247,267.86x = 341,237.71 × 161,283.12
  4. Step 4: Simplify right side
    247,267.86x = 55,035,882,530.46
  5. Step 5: Solve for x
    x = 55,035,882,530.46/247,267.86
  6. Step 6: Final answer
    x = 222,575.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.