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Finding the Fourth Proportional to 108,833.67, 163,313.53 and 45,648.17

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Solution

The fourth proportional to 108,833.67, 163,313.53 and 45,648.17 is: 68,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,833.67 : 163,313.53 = 45,648.17 : x
  2. Step 2: Convert to fraction form
    108,833.67/163,313.53 = 45,648.17/x
  3. Step 3: Cross multiply
    108,833.67x = 163,313.53 × 45,648.17
  4. Step 4: Simplify right side
    108,833.67x = 7,454,962,735.93
  5. Step 5: Solve for x
    x = 7,454,962,735.93/108,833.67
  6. Step 6: Final answer
    x = 68,498.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.