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Finding the Fourth Proportional to 382,118.95, 573,233.10 and 115,900.30

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Solution

The fourth proportional to 382,118.95, 573,233.10 and 115,900.30 is: 173,867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,118.95 : 573,233.10 = 115,900.30 : x
  2. Step 2: Convert to fraction form
    382,118.95/573,233.10 = 115,900.30/x
  3. Step 3: Cross multiply
    382,118.95x = 573,233.10 × 115,900.30
  4. Step 4: Simplify right side
    382,118.95x = 66,437,888,259.93
  5. Step 5: Solve for x
    x = 66,437,888,259.93/382,118.95
  6. Step 6: Final answer
    x = 173,867.03

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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.