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Finding the Fourth Proportional to 208,570.32, 310,172.22 and 201,927.30

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Solution

The fourth proportional to 208,570.32, 310,172.22 and 201,927.30 is: 300,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,570.32 : 310,172.22 = 201,927.30 : x
  2. Step 2: Convert to fraction form
    208,570.32/310,172.22 = 201,927.30/x
  3. Step 3: Cross multiply
    208,570.32x = 310,172.22 × 201,927.30
  4. Step 4: Simplify right side
    208,570.32x = 62,632,238,919.61
  5. Step 5: Solve for x
    x = 62,632,238,919.61/208,570.32
  6. Step 6: Final answer
    x = 300,293.15

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.