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Finding the Fourth Proportional to 108,797.49, 150,155.46 and 61,053.66

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Solution

The fourth proportional to 108,797.49, 150,155.46 and 61,053.66 is: 84,262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,797.49 : 150,155.46 = 61,053.66 : x
  2. Step 2: Convert to fraction form
    108,797.49/150,155.46 = 61,053.66/x
  3. Step 3: Cross multiply
    108,797.49x = 150,155.46 × 61,053.66
  4. Step 4: Simplify right side
    108,797.49x = 9,167,540,401.98
  5. Step 5: Solve for x
    x = 9,167,540,401.98/108,797.49
  6. Step 6: Final answer
    x = 84,262.43

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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.