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Finding the Fourth Proportional to 119,450.62, 164,841.88 and 65,735.64

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Solution

The fourth proportional to 119,450.62, 164,841.88 and 65,735.64 is: 90,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,450.62 : 164,841.88 = 65,735.64 : x
  2. Step 2: Convert to fraction form
    119,450.62/164,841.88 = 65,735.64/x
  3. Step 3: Cross multiply
    119,450.62x = 164,841.88 × 65,735.64
  4. Step 4: Simplify right side
    119,450.62x = 10,835,985,656.39
  5. Step 5: Solve for x
    x = 10,835,985,656.39/119,450.62
  6. Step 6: Final answer
    x = 90,715.19

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Why These Related Problems?

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