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Finding the Fourth Proportional to 202,442.50, 303,685.80 and 124,060.42

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Solution

The fourth proportional to 202,442.50, 303,685.80 and 124,060.42 is: 186,104.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,442.50 : 303,685.80 = 124,060.42 : x
  2. Step 2: Convert to fraction form
    202,442.50/303,685.80 = 124,060.42/x
  3. Step 3: Cross multiply
    202,442.50x = 303,685.80 × 124,060.42
  4. Step 4: Simplify right side
    202,442.50x = 37,675,387,896.04
  5. Step 5: Solve for x
    x = 37,675,387,896.04/202,442.50
  6. Step 6: Final answer
    x = 186,104.14

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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.