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Finding the Fourth Proportional to 144,850.80, 217,211.40 and 65,924.40

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Solution

The fourth proportional to 144,850.80, 217,211.40 and 65,924.40 is: 98,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,850.80 : 217,211.40 = 65,924.40 : x
  2. Step 2: Convert to fraction form
    144,850.80/217,211.40 = 65,924.40/x
  3. Step 3: Cross multiply
    144,850.80x = 217,211.40 × 65,924.40
  4. Step 4: Simplify right side
    144,850.80x = 14,319,531,218.16
  5. Step 5: Solve for x
    x = 14,319,531,218.16/144,850.80
  6. Step 6: Final answer
    x = 98,857.11

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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.