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Finding the Fourth Proportional to 150,467.70, 207,667.53 and 86,793.06

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Solution

The fourth proportional to 150,467.70, 207,667.53 and 86,793.06 is: 119,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,467.70 : 207,667.53 = 86,793.06 : x
  2. Step 2: Convert to fraction form
    150,467.70/207,667.53 = 86,793.06/x
  3. Step 3: Cross multiply
    150,467.70x = 207,667.53 × 86,793.06
  4. Step 4: Simplify right side
    150,467.70x = 18,024,100,391.34
  5. Step 5: Solve for x
    x = 18,024,100,391.34/150,467.70
  6. Step 6: Final answer
    x = 119,787.17

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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.