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Finding the Fourth Proportional to 376,712.11, 565,006.07 and 123,995.89

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Solution

The fourth proportional to 376,712.11, 565,006.07 and 123,995.89 is: 185,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,712.11 : 565,006.07 = 123,995.89 : x
  2. Step 2: Convert to fraction form
    376,712.11/565,006.07 = 123,995.89/x
  3. Step 3: Cross multiply
    376,712.11x = 565,006.07 × 123,995.89
  4. Step 4: Simplify right side
    376,712.11x = 70,058,429,885.07
  5. Step 5: Solve for x
    x = 70,058,429,885.07/376,712.11
  6. Step 6: Final answer
    x = 185,973.39

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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.