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Finding the Fourth Proportional to 175,847.52, 242,642.17 and 104,215.98

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Solution

The fourth proportional to 175,847.52, 242,642.17 and 104,215.98 is: 143,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,847.52 : 242,642.17 = 104,215.98 : x
  2. Step 2: Convert to fraction form
    175,847.52/242,642.17 = 104,215.98/x
  3. Step 3: Cross multiply
    175,847.52x = 242,642.17 × 104,215.98
  4. Step 4: Simplify right side
    175,847.52x = 25,287,191,014.80
  5. Step 5: Solve for x
    x = 25,287,191,014.80/175,847.52
  6. Step 6: Final answer
    x = 143,801.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.