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Finding the Fourth Proportional to 66,466.39, 99,465.39 and 41,518.19

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Solution

The fourth proportional to 66,466.39, 99,465.39 and 41,518.19 is: 62,131.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,466.39 : 99,465.39 = 41,518.19 : x
  2. Step 2: Convert to fraction form
    66,466.39/99,465.39 = 41,518.19/x
  3. Step 3: Cross multiply
    66,466.39x = 99,465.39 × 41,518.19
  4. Step 4: Simplify right side
    66,466.39x = 4,129,622,960.44
  5. Step 5: Solve for x
    x = 4,129,622,960.44/66,466.39
  6. Step 6: Final answer
    x = 62,131.00

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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.