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Finding the Fourth Proportional to 104,358.69, 156,529.71 and 29,475.81

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Solution

The fourth proportional to 104,358.69, 156,529.71 and 29,475.81 is: 44,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,358.69 : 156,529.71 = 29,475.81 : x
  2. Step 2: Convert to fraction form
    104,358.69/156,529.71 = 29,475.81/x
  3. Step 3: Cross multiply
    104,358.69x = 156,529.71 × 29,475.81
  4. Step 4: Simplify right side
    104,358.69x = 4,613,839,991.32
  5. Step 5: Solve for x
    x = 4,613,839,991.32/104,358.69
  6. Step 6: Final answer
    x = 44,211.36

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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.