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Finding the Fourth Proportional to 382,182.88, 573,275.70 and 115,945.72

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Solution

The fourth proportional to 382,182.88, 573,275.70 and 115,945.72 is: 173,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,182.88 : 573,275.70 = 115,945.72 : x
  2. Step 2: Convert to fraction form
    382,182.88/573,275.70 = 115,945.72/x
  3. Step 3: Cross multiply
    382,182.88x = 573,275.70 × 115,945.72
  4. Step 4: Simplify right side
    382,182.88x = 66,468,863,795.00
  5. Step 5: Solve for x
    x = 66,468,863,795.00/382,182.88
  6. Step 6: Final answer
    x = 173,919.00

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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.