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Finding the Fourth Proportional to 104,620.40, 156,918.45 and 29,752.10

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Solution

The fourth proportional to 104,620.40, 156,918.45 and 29,752.10 is: 44,624.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,620.40 : 156,918.45 = 29,752.10 : x
  2. Step 2: Convert to fraction form
    104,620.40/156,918.45 = 29,752.10/x
  3. Step 3: Cross multiply
    104,620.40x = 156,918.45 × 29,752.10
  4. Step 4: Simplify right side
    104,620.40x = 4,668,653,416.25
  5. Step 5: Solve for x
    x = 4,668,653,416.25/104,620.40
  6. Step 6: Final answer
    x = 44,624.69

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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.