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Finding the Fourth Proportional to 192,502.72, 288,795.30 and 57,577.38

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Solution

The fourth proportional to 192,502.72, 288,795.30 and 57,577.38 is: 86,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,502.72 : 288,795.30 = 57,577.38 : x
  2. Step 2: Convert to fraction form
    192,502.72/288,795.30 = 57,577.38/x
  3. Step 3: Cross multiply
    192,502.72x = 288,795.30 × 57,577.38
  4. Step 4: Simplify right side
    192,502.72x = 16,628,075,431.42
  5. Step 5: Solve for x
    x = 16,628,075,431.42/192,502.72
  6. Step 6: Final answer
    x = 86,378.39

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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.