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Finding the Fourth Proportional to 150,881.80, 208,217.48 and 82,904.28

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Solution

The fourth proportional to 150,881.80, 208,217.48 and 82,904.28 is: 114,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,881.80 : 208,217.48 = 82,904.28 : x
  2. Step 2: Convert to fraction form
    150,881.80/208,217.48 = 82,904.28/x
  3. Step 3: Cross multiply
    150,881.80x = 208,217.48 × 82,904.28
  4. Step 4: Simplify right side
    150,881.80x = 17,262,120,262.81
  5. Step 5: Solve for x
    x = 17,262,120,262.81/150,881.80
  6. Step 6: Final answer
    x = 114,408.23

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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.