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Finding the Fourth Proportional to 119,343.60, 164,698.92 and 65,633.04

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Solution

The fourth proportional to 119,343.60, 164,698.92 and 65,633.04 is: 90,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,343.60 : 164,698.92 = 65,633.04 : x
  2. Step 2: Convert to fraction form
    119,343.60/164,698.92 = 65,633.04/x
  3. Step 3: Cross multiply
    119,343.60x = 164,698.92 × 65,633.04
  4. Step 4: Simplify right side
    119,343.60x = 10,809,690,804.32
  5. Step 5: Solve for x
    x = 10,809,690,804.32/119,343.60
  6. Step 6: Final answer
    x = 90,576.21

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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.