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Finding the Fourth Proportional to 222,155.69, 333,253.78 and 72,357.53

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Solution

The fourth proportional to 222,155.69, 333,253.78 and 72,357.53 is: 108,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,155.69 : 333,253.78 = 72,357.53 : x
  2. Step 2: Convert to fraction form
    222,155.69/333,253.78 = 72,357.53/x
  3. Step 3: Cross multiply
    222,155.69x = 333,253.78 × 72,357.53
  4. Step 4: Simplify right side
    222,155.69x = 24,113,418,536.80
  5. Step 5: Solve for x
    x = 24,113,418,536.80/222,155.69
  6. Step 6: Final answer
    x = 108,542.88

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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.