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Finding the Fourth Proportional to 376,858.88, 565,325.22 and 124,036.21

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Solution

The fourth proportional to 376,858.88, 565,325.22 and 124,036.21 is: 186,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,858.88 : 565,325.22 = 124,036.21 : x
  2. Step 2: Convert to fraction form
    376,858.88/565,325.22 = 124,036.21/x
  3. Step 3: Cross multiply
    376,858.88x = 565,325.22 × 124,036.21
  4. Step 4: Simplify right side
    376,858.88x = 70,120,794,259.41
  5. Step 5: Solve for x
    x = 70,120,794,259.41/376,858.88
  6. Step 6: Final answer
    x = 186,066.45

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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.