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Finding the Fourth Proportional to 223,870.23, 335,866.83 and 66,098.64

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Solution

The fourth proportional to 223,870.23, 335,866.83 and 66,098.64 is: 99,166.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,870.23 : 335,866.83 = 66,098.64 : x
  2. Step 2: Convert to fraction form
    223,870.23/335,866.83 = 66,098.64/x
  3. Step 3: Cross multiply
    223,870.23x = 335,866.83 × 66,098.64
  4. Step 4: Simplify right side
    223,870.23x = 22,200,340,684.11
  5. Step 5: Solve for x
    x = 22,200,340,684.11/223,870.23
  6. Step 6: Final answer
    x = 99,166.11

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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.