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Finding the Fourth Proportional to 202,294.60, 303,482.40 and 60,139.60

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Solution

The fourth proportional to 202,294.60, 303,482.40 and 60,139.60 is: 90,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,294.60 : 303,482.40 = 60,139.60 : x
  2. Step 2: Convert to fraction form
    202,294.60/303,482.40 = 60,139.60/x
  3. Step 3: Cross multiply
    202,294.60x = 303,482.40 × 60,139.60
  4. Step 4: Simplify right side
    202,294.60x = 18,251,310,143.04
  5. Step 5: Solve for x
    x = 18,251,310,143.04/202,294.60
  6. Step 6: Final answer
    x = 90,221.44

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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.