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Finding the Fourth Proportional to 174,633.92, 261,755.04 and 69,424.64

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Solution

The fourth proportional to 174,633.92, 261,755.04 and 69,424.64 is: 104,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,633.92 : 261,755.04 = 69,424.64 : x
  2. Step 2: Convert to fraction form
    174,633.92/261,755.04 = 69,424.64/x
  3. Step 3: Cross multiply
    174,633.92x = 261,755.04 × 69,424.64
  4. Step 4: Simplify right side
    174,633.92x = 18,172,249,420.19
  5. Step 5: Solve for x
    x = 18,172,249,420.19/174,633.92
  6. Step 6: Final answer
    x = 104,059.11

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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.