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Finding the Fourth Proportional to 150,347.46, 207,477.15 and 82,363.86

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Solution

The fourth proportional to 150,347.46, 207,477.15 and 82,363.86 is: 113,660.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,347.46 : 207,477.15 = 82,363.86 : x
  2. Step 2: Convert to fraction form
    150,347.46/207,477.15 = 82,363.86/x
  3. Step 3: Cross multiply
    150,347.46x = 207,477.15 × 82,363.86
  4. Step 4: Simplify right side
    150,347.46x = 17,088,618,935.80
  5. Step 5: Solve for x
    x = 17,088,618,935.80/150,347.46
  6. Step 6: Final answer
    x = 113,660.84

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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.