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Finding the Fourth Proportional to 108,630.09, 149,895.09 and 60,884.24

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Solution

The fourth proportional to 108,630.09, 149,895.09 and 60,884.24 is: 84,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,630.09 : 149,895.09 = 60,884.24 : x
  2. Step 2: Convert to fraction form
    108,630.09/149,895.09 = 60,884.24/x
  3. Step 3: Cross multiply
    108,630.09x = 149,895.09 × 60,884.24
  4. Step 4: Simplify right side
    108,630.09x = 9,126,247,884.91
  5. Step 5: Solve for x
    x = 9,126,247,884.91/108,630.09
  6. Step 6: Final answer
    x = 84,012.15

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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.