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Finding the Fourth Proportional to 250,552, 345,943.20 and 161,283.52

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Solution

The fourth proportional to 250,552, 345,943.20 and 161,283.52 is: 222,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,552 : 345,943.20 = 161,283.52 : x
  2. Step 2: Convert to fraction form
    250,552/345,943.20 = 161,283.52/x
  3. Step 3: Cross multiply
    250,552x = 345,943.20 × 161,283.52
  4. Step 4: Simplify right side
    250,552x = 55,794,937,016.06
  5. Step 5: Solve for x
    x = 55,794,937,016.06/250,552
  6. Step 6: Final answer
    x = 222,688.05

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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.