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Finding the Fourth Proportional to 108,530.79, 162,794.03 and 29,651.91

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Solution

The fourth proportional to 108,530.79, 162,794.03 and 29,651.91 is: 44,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,530.79 : 162,794.03 = 29,651.91 : x
  2. Step 2: Convert to fraction form
    108,530.79/162,794.03 = 29,651.91/x
  3. Step 3: Cross multiply
    108,530.79x = 162,794.03 × 29,651.91
  4. Step 4: Simplify right side
    108,530.79x = 4,827,153,777.84
  5. Step 5: Solve for x
    x = 4,827,153,777.84/108,530.79
  6. Step 6: Final answer
    x = 44,477.27

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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.