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Finding the Fourth Proportional to 272,119.61, 375,529.56 and 149,617.17

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Solution

The fourth proportional to 272,119.61, 375,529.56 and 149,617.17 is: 206,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,119.61 : 375,529.56 = 149,617.17 : x
  2. Step 2: Convert to fraction form
    272,119.61/375,529.56 = 149,617.17/x
  3. Step 3: Cross multiply
    272,119.61x = 375,529.56 × 149,617.17
  4. Step 4: Simplify right side
    272,119.61x = 56,185,670,018.55
  5. Step 5: Solve for x
    x = 56,185,670,018.55/272,119.61
  6. Step 6: Final answer
    x = 206,474.17

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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.