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Finding the Fourth Proportional to 104,554.80, 156,838.20 and 29,669.10

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Solution

The fourth proportional to 104,554.80, 156,838.20 and 29,669.10 is: 44,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,554.80 : 156,838.20 = 29,669.10 : x
  2. Step 2: Convert to fraction form
    104,554.80/156,838.20 = 29,669.10/x
  3. Step 3: Cross multiply
    104,554.80x = 156,838.20 × 29,669.10
  4. Step 4: Simplify right side
    104,554.80x = 4,653,248,239.62
  5. Step 5: Solve for x
    x = 4,653,248,239.62/104,554.80
  6. Step 6: Final answer
    x = 44,505.35

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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.