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Finding the Fourth Proportional to 222,122.47, 333,219.25 and 72,351.25

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Solution

The fourth proportional to 222,122.47, 333,219.25 and 72,351.25 is: 108,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,122.47 : 333,219.25 = 72,351.25 : x
  2. Step 2: Convert to fraction form
    222,122.47/333,219.25 = 72,351.25/x
  3. Step 3: Cross multiply
    222,122.47x = 333,219.25 × 72,351.25
  4. Step 4: Simplify right side
    222,122.47x = 24,108,829,261.56
  5. Step 5: Solve for x
    x = 24,108,829,261.56/222,122.47
  6. Step 6: Final answer
    x = 108,538.45

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1.5x scale

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.