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Finding the Fourth Proportional to 123,800.53, 185,577.77 and 73,805.71

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Solution

The fourth proportional to 123,800.53, 185,577.77 and 73,805.71 is: 110,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,800.53 : 185,577.77 = 73,805.71 : x
  2. Step 2: Convert to fraction form
    123,800.53/185,577.77 = 73,805.71/x
  3. Step 3: Cross multiply
    123,800.53x = 185,577.77 × 73,805.71
  4. Step 4: Simplify right side
    123,800.53x = 13,696,699,075.07
  5. Step 5: Solve for x
    x = 13,696,699,075.07/123,800.53
  6. Step 6: Final answer
    x = 110,635.22

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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.