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Finding the Fourth Proportional to 202,998.40, 304,468.80 and 62,771.20

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Solution

The fourth proportional to 202,998.40, 304,468.80 and 62,771.20 is: 94,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,998.40 : 304,468.80 = 62,771.20 : x
  2. Step 2: Convert to fraction form
    202,998.40/304,468.80 = 62,771.20/x
  3. Step 3: Cross multiply
    202,998.40x = 304,468.80 × 62,771.20
  4. Step 4: Simplify right side
    202,998.40x = 19,111,871,938.56
  5. Step 5: Solve for x
    x = 19,111,871,938.56/202,998.40
  6. Step 6: Final answer
    x = 94,147.89

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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.