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Finding the Fourth Proportional to 98,402.24, 147,268.96 and 73,380.24

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Solution

The fourth proportional to 98,402.24, 147,268.96 and 73,380.24 is: 109,820.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,402.24 : 147,268.96 = 73,380.24 : x
  2. Step 2: Convert to fraction form
    98,402.24/147,268.96 = 73,380.24/x
  3. Step 3: Cross multiply
    98,402.24x = 147,268.96 × 73,380.24
  4. Step 4: Simplify right side
    98,402.24x = 10,806,631,629.35
  5. Step 5: Solve for x
    x = 10,806,631,629.35/98,402.24
  6. Step 6: Final answer
    x = 109,820.99

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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.