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Finding the Fourth Proportional to 376,088.49, 564,186.36 and 123,388.71

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Solution

The fourth proportional to 376,088.49, 564,186.36 and 123,388.71 is: 185,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,088.49 : 564,186.36 = 123,388.71 : x
  2. Step 2: Convert to fraction form
    376,088.49/564,186.36 = 123,388.71/x
  3. Step 3: Cross multiply
    376,088.49x = 564,186.36 × 123,388.71
  4. Step 4: Simplify right side
    376,088.49x = 69,614,227,160.00
  5. Step 5: Solve for x
    x = 69,614,227,160.00/376,088.49
  6. Step 6: Final answer
    x = 185,100.66

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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.