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Finding the Fourth Proportional to 349,494, 524,107.80 and 124,812.48

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Solution

The fourth proportional to 349,494, 524,107.80 and 124,812.48 is: 187,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,494 : 524,107.80 = 124,812.48 : x
  2. Step 2: Convert to fraction form
    349,494/524,107.80 = 124,812.48/x
  3. Step 3: Cross multiply
    349,494x = 524,107.80 × 124,812.48
  4. Step 4: Simplify right side
    349,494x = 65,415,194,305.34
  5. Step 5: Solve for x
    x = 65,415,194,305.34/349,494
  6. Step 6: Final answer
    x = 187,171.15

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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.