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Finding the Fourth Proportional to 145,954.97, 218,941.69 and 61,704.04

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Solution

The fourth proportional to 145,954.97, 218,941.69 and 61,704.04 is: 92,559.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,954.97 : 218,941.69 = 61,704.04 : x
  2. Step 2: Convert to fraction form
    145,954.97/218,941.69 = 61,704.04/x
  3. Step 3: Cross multiply
    145,954.97x = 218,941.69 × 61,704.04
  4. Step 4: Simplify right side
    145,954.97x = 13,509,585,394.20
  5. Step 5: Solve for x
    x = 13,509,585,394.20/145,954.97
  6. Step 6: Final answer
    x = 92,559.96

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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.