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Finding the Fourth Proportional to 202,986.69, 304,509.20 and 62,756.25

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Solution

The fourth proportional to 202,986.69, 304,509.20 and 62,756.25 is: 94,143.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,986.69 : 304,509.20 = 62,756.25 : x
  2. Step 2: Convert to fraction form
    202,986.69/304,509.20 = 62,756.25/x
  3. Step 3: Cross multiply
    202,986.69x = 304,509.20 × 62,756.25
  4. Step 4: Simplify right side
    202,986.69x = 19,109,855,168.72
  5. Step 5: Solve for x
    x = 19,109,855,168.72/202,986.69
  6. Step 6: Final answer
    x = 94,143.39

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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.