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Finding the Fourth Proportional to 106,570.97, 147,057.44 and 58,821.21

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Solution

The fourth proportional to 106,570.97, 147,057.44 and 58,821.21 is: 81,167.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,570.97 : 147,057.44 = 58,821.21 : x
  2. Step 2: Convert to fraction form
    106,570.97/147,057.44 = 58,821.21/x
  3. Step 3: Cross multiply
    106,570.97x = 147,057.44 × 58,821.21
  4. Step 4: Simplify right side
    106,570.97x = 8,650,096,266.20
  5. Step 5: Solve for x
    x = 8,650,096,266.20/106,570.97
  6. Step 6: Final answer
    x = 81,167.48

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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.