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Finding the Fourth Proportional to 104,656.77, 156,991.82 and 34,536.69

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Solution

The fourth proportional to 104,656.77, 156,991.82 and 34,536.69 is: 51,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,656.77 : 156,991.82 = 34,536.69 : x
  2. Step 2: Convert to fraction form
    104,656.77/156,991.82 = 34,536.69/x
  3. Step 3: Cross multiply
    104,656.77x = 156,991.82 × 34,536.69
  4. Step 4: Simplify right side
    104,656.77x = 5,421,977,647.19
  5. Step 5: Solve for x
    x = 5,421,977,647.19/104,656.77
  6. Step 6: Final answer
    x = 51,807.23

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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.