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Finding the Fourth Proportional to 349,361.92, 524,153.61 and 124,717.38

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Solution

The fourth proportional to 349,361.92, 524,153.61 and 124,717.38 is: 187,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,361.92 : 524,153.61 = 124,717.38 : x
  2. Step 2: Convert to fraction form
    349,361.92/524,153.61 = 124,717.38/x
  3. Step 3: Cross multiply
    349,361.92x = 524,153.61 × 124,717.38
  4. Step 4: Simplify right side
    349,361.92x = 65,371,066,454.63
  5. Step 5: Solve for x
    x = 65,371,066,454.63/349,361.92
  6. Step 6: Final answer
    x = 187,115.60

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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.