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Finding the Fourth Proportional to 202,332.80, 303,499.20 and 69,193.10

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Solution

The fourth proportional to 202,332.80, 303,499.20 and 69,193.10 is: 103,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,332.80 : 303,499.20 = 69,193.10 : x
  2. Step 2: Convert to fraction form
    202,332.80/303,499.20 = 69,193.10/x
  3. Step 3: Cross multiply
    202,332.80x = 303,499.20 × 69,193.10
  4. Step 4: Simplify right side
    202,332.80x = 21,000,050,495.52
  5. Step 5: Solve for x
    x = 21,000,050,495.52/202,332.80
  6. Step 6: Final answer
    x = 103,789.65

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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.