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Finding the Fourth Proportional to 108,026.87, 149,078.22 and 60,279.19

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Solution

The fourth proportional to 108,026.87, 149,078.22 and 60,279.19 is: 83,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,026.87 : 149,078.22 = 60,279.19 : x
  2. Step 2: Convert to fraction form
    108,026.87/149,078.22 = 60,279.19/x
  3. Step 3: Cross multiply
    108,026.87x = 149,078.22 × 60,279.19
  4. Step 4: Simplify right side
    108,026.87x = 8,986,314,088.57
  5. Step 5: Solve for x
    x = 8,986,314,088.57/108,026.87
  6. Step 6: Final answer
    x = 83,185.92

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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.