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Finding the Fourth Proportional to 250,263.39, 375,431.70 and 72,747.33

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Solution

The fourth proportional to 250,263.39, 375,431.70 and 72,747.33 is: 109,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,263.39 : 375,431.70 = 72,747.33 : x
  2. Step 2: Convert to fraction form
    250,263.39/375,431.70 = 72,747.33/x
  3. Step 3: Cross multiply
    250,263.39x = 375,431.70 × 72,747.33
  4. Step 4: Simplify right side
    250,263.39x = 27,311,653,772.36
  5. Step 5: Solve for x
    x = 27,311,653,772.36/250,263.39
  6. Step 6: Final answer
    x = 109,131.64

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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.