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Finding the Fourth Proportional to 108,655.41, 149,950.77 and 60,924.12

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Solution

The fourth proportional to 108,655.41, 149,950.77 and 60,924.12 is: 84,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,655.41 : 149,950.77 = 60,924.12 : x
  2. Step 2: Convert to fraction form
    108,655.41/149,950.77 = 60,924.12/x
  3. Step 3: Cross multiply
    108,655.41x = 149,950.77 × 60,924.12
  4. Step 4: Simplify right side
    108,655.41x = 9,135,618,705.57
  5. Step 5: Solve for x
    x = 9,135,618,705.57/108,655.41
  6. Step 6: Final answer
    x = 84,078.82

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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.