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Finding the Fourth Proportional to 66,320.10, 91,522.67 and 36,106.34

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Solution

The fourth proportional to 66,320.10, 91,522.67 and 36,106.34 is: 49,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,320.10 : 91,522.67 = 36,106.34 : x
  2. Step 2: Convert to fraction form
    66,320.10/91,522.67 = 36,106.34/x
  3. Step 3: Cross multiply
    66,320.10x = 91,522.67 × 36,106.34
  4. Step 4: Simplify right side
    66,320.10x = 3,304,548,002.58
  5. Step 5: Solve for x
    x = 3,304,548,002.58/66,320.10
  6. Step 6: Final answer
    x = 49,827.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.