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Finding the Fourth Proportional to 202,296.48, 303,445.44 and 69,272.88

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Solution

The fourth proportional to 202,296.48, 303,445.44 and 69,272.88 is: 103,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,296.48 : 303,445.44 = 69,272.88 : x
  2. Step 2: Convert to fraction form
    202,296.48/303,445.44 = 69,272.88/x
  3. Step 3: Cross multiply
    202,296.48x = 303,445.44 × 69,272.88
  4. Step 4: Simplify right side
    202,296.48x = 21,020,539,551.67
  5. Step 5: Solve for x
    x = 21,020,539,551.67/202,296.48
  6. Step 6: Final answer
    x = 103,909.57

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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.