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Finding the Fourth Proportional to 202,511.80, 303,709.65 and 60,351.13

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Solution

The fourth proportional to 202,511.80, 303,709.65 and 60,351.13 is: 90,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,511.80 : 303,709.65 = 60,351.13 : x
  2. Step 2: Convert to fraction form
    202,511.80/303,709.65 = 60,351.13/x
  3. Step 3: Cross multiply
    202,511.80x = 303,709.65 × 60,351.13
  4. Step 4: Simplify right side
    202,511.80x = 18,329,220,569.40
  5. Step 5: Solve for x
    x = 18,329,220,569.40/202,511.80
  6. Step 6: Final answer
    x = 90,509.40

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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.