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Finding the Fourth Proportional to 123,941.66, 185,911.01 and 45,055.22

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Solution

The fourth proportional to 123,941.66, 185,911.01 and 45,055.22 is: 67,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,941.66 : 185,911.01 = 45,055.22 : x
  2. Step 2: Convert to fraction form
    123,941.66/185,911.01 = 45,055.22/x
  3. Step 3: Cross multiply
    123,941.66x = 185,911.01 × 45,055.22
  4. Step 4: Simplify right side
    123,941.66x = 8,376,261,230.70
  5. Step 5: Solve for x
    x = 8,376,261,230.70/123,941.66
  6. Step 6: Final answer
    x = 67,582.29

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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.