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Finding the Fourth Proportional to 150,341.84, 207,473.88 and 82,357.28

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Solution

The fourth proportional to 150,341.84, 207,473.88 and 82,357.28 is: 113,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,341.84 : 207,473.88 = 82,357.28 : x
  2. Step 2: Convert to fraction form
    150,341.84/207,473.88 = 82,357.28/x
  3. Step 3: Cross multiply
    150,341.84x = 207,473.88 × 82,357.28
  4. Step 4: Simplify right side
    150,341.84x = 17,086,984,427.85
  5. Step 5: Solve for x
    x = 17,086,984,427.85/150,341.84
  6. Step 6: Final answer
    x = 113,654.22

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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.