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Finding the Fourth Proportional to 250,526.50, 345,908.01 and 161,258.02

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Solution

The fourth proportional to 250,526.50, 345,908.01 and 161,258.02 is: 222,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,526.50 : 345,908.01 = 161,258.02 : x
  2. Step 2: Convert to fraction form
    250,526.50/345,908.01 = 161,258.02/x
  3. Step 3: Cross multiply
    250,526.50x = 345,908.01 × 161,258.02
  4. Step 4: Simplify right side
    250,526.50x = 55,780,440,794.74
  5. Step 5: Solve for x
    x = 55,780,440,794.74/250,526.50
  6. Step 6: Final answer
    x = 222,652.86

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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.