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Finding the Fourth Proportional to 202,244.50, 279,097.41 and 112,820.50

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Solution

The fourth proportional to 202,244.50, 279,097.41 and 112,820.50 is: 155,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,244.50 : 279,097.41 = 112,820.50 : x
  2. Step 2: Convert to fraction form
    202,244.50/279,097.41 = 112,820.50/x
  3. Step 3: Cross multiply
    202,244.50x = 279,097.41 × 112,820.50
  4. Step 4: Simplify right side
    202,244.50x = 31,487,909,344.91
  5. Step 5: Solve for x
    x = 31,487,909,344.91/202,244.50
  6. Step 6: Final answer
    x = 155,692.29

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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.