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Finding the Fourth Proportional to 108,614.01, 149,879.16 and 60,858.13

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Solution

The fourth proportional to 108,614.01, 149,879.16 and 60,858.13 is: 83,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,614.01 : 149,879.16 = 60,858.13 : x
  2. Step 2: Convert to fraction form
    108,614.01/149,879.16 = 60,858.13/x
  3. Step 3: Cross multiply
    108,614.01x = 149,879.16 × 60,858.13
  4. Step 4: Simplify right side
    108,614.01x = 9,121,365,403.57
  5. Step 5: Solve for x
    x = 9,121,365,403.57/108,614.01
  6. Step 6: Final answer
    x = 83,979.64

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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.