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Finding the Fourth Proportional to 108,653.96, 149,941.86 and 60,906.28

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Solution

The fourth proportional to 108,653.96, 149,941.86 and 60,906.28 is: 84,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,653.96 : 149,941.86 = 60,906.28 : x
  2. Step 2: Convert to fraction form
    108,653.96/149,941.86 = 60,906.28/x
  3. Step 3: Cross multiply
    108,653.96x = 149,941.86 × 60,906.28
  4. Step 4: Simplify right side
    108,653.96x = 9,132,400,758.07
  5. Step 5: Solve for x
    x = 9,132,400,758.07/108,653.96
  6. Step 6: Final answer
    x = 84,050.33

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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.