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Finding the Fourth Proportional to 66,465.77, 99,464.45 and 41,517.56

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Solution

The fourth proportional to 66,465.77, 99,464.45 and 41,517.56 is: 62,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,465.77 : 99,464.45 = 41,517.56 : x
  2. Step 2: Convert to fraction form
    66,465.77/99,464.45 = 41,517.56/x
  3. Step 3: Cross multiply
    66,465.77x = 99,464.45 × 41,517.56
  4. Step 4: Simplify right side
    66,465.77x = 4,129,521,623.20
  5. Step 5: Solve for x
    x = 4,129,521,623.20/66,465.77
  6. Step 6: Final answer
    x = 62,130.05

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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.