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Finding the Fourth Proportional to 98,883.63, 148,325.49 and 27,813.83

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Solution

The fourth proportional to 98,883.63, 148,325.49 and 27,813.83 is: 41,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,883.63 : 148,325.49 = 27,813.83 : x
  2. Step 2: Convert to fraction form
    98,883.63/148,325.49 = 27,813.83/x
  3. Step 3: Cross multiply
    98,883.63x = 148,325.49 × 27,813.83
  4. Step 4: Simplify right side
    98,883.63x = 4,125,499,221.90
  5. Step 5: Solve for x
    x = 4,125,499,221.90/98,883.63
  6. Step 6: Final answer
    x = 41,720.75

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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.