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Finding the Fourth Proportional to 202,927.20, 303,807.60 and 124,195.20

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Solution

The fourth proportional to 202,927.20, 303,807.60 and 124,195.20 is: 185,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,927.20 : 303,807.60 = 124,195.20 : x
  2. Step 2: Convert to fraction form
    202,927.20/303,807.60 = 124,195.20/x
  3. Step 3: Cross multiply
    202,927.20x = 303,807.60 × 124,195.20
  4. Step 4: Simplify right side
    202,927.20x = 37,731,445,643.52
  5. Step 5: Solve for x
    x = 37,731,445,643.52/202,927.20
  6. Step 6: Final answer
    x = 185,935.87

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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.