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Finding the Fourth Proportional to 202,487.13, 303,514.88 and 152,412.39

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Solution

The fourth proportional to 202,487.13, 303,514.88 and 152,412.39 is: 228,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,487.13 : 303,514.88 = 152,412.39 : x
  2. Step 2: Convert to fraction form
    202,487.13/303,514.88 = 152,412.39/x
  3. Step 3: Cross multiply
    202,487.13x = 303,514.88 × 152,412.39
  4. Step 4: Simplify right side
    202,487.13x = 46,259,427,499.30
  5. Step 5: Solve for x
    x = 46,259,427,499.30/202,487.13
  6. Step 6: Final answer
    x = 228,456.14

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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.