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Finding the Fourth Proportional to 202,274.10, 303,119.55 and 89,862.30

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Solution

The fourth proportional to 202,274.10, 303,119.55 and 89,862.30 is: 134,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,274.10 : 303,119.55 = 89,862.30 : x
  2. Step 2: Convert to fraction form
    202,274.10/303,119.55 = 89,862.30/x
  3. Step 3: Cross multiply
    202,274.10x = 303,119.55 × 89,862.30
  4. Step 4: Simplify right side
    202,274.10x = 27,239,019,937.97
  5. Step 5: Solve for x
    x = 27,239,019,937.97/202,274.10
  6. Step 6: Final answer
    x = 134,663.90

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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.