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Finding the Fourth Proportional to 110,605.97, 166,075.11 and 63,274.50

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Solution

The fourth proportional to 110,605.97, 166,075.11 and 63,274.50 is: 95,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,605.97 : 166,075.11 = 63,274.50 : x
  2. Step 2: Convert to fraction form
    110,605.97/166,075.11 = 63,274.50/x
  3. Step 3: Cross multiply
    110,605.97x = 166,075.11 × 63,274.50
  4. Step 4: Simplify right side
    110,605.97x = 10,508,319,547.70
  5. Step 5: Solve for x
    x = 10,508,319,547.70/110,605.97
  6. Step 6: Final answer
    x = 95,006.80

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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.