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Finding the Fourth Proportional to 66,230.38, 99,346.38 and 36,705.88

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Solution

The fourth proportional to 66,230.38, 99,346.38 and 36,705.88 is: 55,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,230.38 : 99,346.38 = 36,705.88 : x
  2. Step 2: Convert to fraction form
    66,230.38/99,346.38 = 36,705.88/x
  3. Step 3: Cross multiply
    66,230.38x = 99,346.38 × 36,705.88
  4. Step 4: Simplify right side
    66,230.38x = 3,646,596,302.71
  5. Step 5: Solve for x
    x = 3,646,596,302.71/66,230.38
  6. Step 6: Final answer
    x = 55,059.27

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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.