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Finding the Fourth Proportional to 104,761.23, 157,147.03 and 29,892.40

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Solution

The fourth proportional to 104,761.23, 157,147.03 and 29,892.40 is: 44,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,761.23 : 157,147.03 = 29,892.40 : x
  2. Step 2: Convert to fraction form
    104,761.23/157,147.03 = 29,892.40/x
  3. Step 3: Cross multiply
    104,761.23x = 157,147.03 × 29,892.40
  4. Step 4: Simplify right side
    104,761.23x = 4,697,502,477.61
  5. Step 5: Solve for x
    x = 4,697,502,477.61/104,761.23
  6. Step 6: Final answer
    x = 44,840.09

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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.