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Finding the Fourth Proportional to 150,622.76, 207,862.28 and 82,643.24

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Solution

The fourth proportional to 150,622.76, 207,862.28 and 82,643.24 is: 114,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,622.76 : 207,862.28 = 82,643.24 : x
  2. Step 2: Convert to fraction form
    150,622.76/207,862.28 = 82,643.24/x
  3. Step 3: Cross multiply
    150,622.76x = 207,862.28 × 82,643.24
  4. Step 4: Simplify right side
    150,622.76x = 17,178,412,292.99
  5. Step 5: Solve for x
    x = 17,178,412,292.99/150,622.76
  6. Step 6: Final answer
    x = 114,049.25

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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.