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Finding the Fourth Proportional to 273,039.47, 376,796.21 and 152,188.43

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Solution

The fourth proportional to 273,039.47, 376,796.21 and 152,188.43 is: 210,021.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,039.47 : 376,796.21 = 152,188.43 : x
  2. Step 2: Convert to fraction form
    273,039.47/376,796.21 = 152,188.43/x
  3. Step 3: Cross multiply
    273,039.47x = 376,796.21 × 152,188.43
  4. Step 4: Simplify right side
    273,039.47x = 57,344,022,126.34
  5. Step 5: Solve for x
    x = 57,344,022,126.34/273,039.47
  6. Step 6: Final answer
    x = 210,021.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.