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Finding the Fourth Proportional to 247,752.35, 341,946.19 and 161,561.70

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Solution

The fourth proportional to 247,752.35, 341,946.19 and 161,561.70 is: 222,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,752.35 : 341,946.19 = 161,561.70 : x
  2. Step 2: Convert to fraction form
    247,752.35/341,946.19 = 161,561.70/x
  3. Step 3: Cross multiply
    247,752.35x = 341,946.19 × 161,561.70
  4. Step 4: Simplify right side
    247,752.35x = 55,245,407,484.59
  5. Step 5: Solve for x
    x = 55,245,407,484.59/247,752.35
  6. Step 6: Final answer
    x = 222,986.41

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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.