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Finding the Fourth Proportional to 104,850.30, 157,429.05 and 73,823.10

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Solution

The fourth proportional to 104,850.30, 157,429.05 and 73,823.10 is: 110,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,850.30 : 157,429.05 = 73,823.10 : x
  2. Step 2: Convert to fraction form
    104,850.30/157,429.05 = 73,823.10/x
  3. Step 3: Cross multiply
    104,850.30x = 157,429.05 × 73,823.10
  4. Step 4: Simplify right side
    104,850.30x = 11,621,900,501.06
  5. Step 5: Solve for x
    x = 11,621,900,501.06/104,850.30
  6. Step 6: Final answer
    x = 110,842.80

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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.