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Finding the Fourth Proportional to 92,090.40, 138,100.88 and 29,744.16

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Solution

The fourth proportional to 92,090.40, 138,100.88 and 29,744.16 is: 44,605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,090.40 : 138,100.88 = 29,744.16 : x
  2. Step 2: Convert to fraction form
    92,090.40/138,100.88 = 29,744.16/x
  3. Step 3: Cross multiply
    92,090.40x = 138,100.88 × 29,744.16
  4. Step 4: Simplify right side
    92,090.40x = 4,107,694,670.86
  5. Step 5: Solve for x
    x = 4,107,694,670.86/92,090.40
  6. Step 6: Final answer
    x = 44,605.03

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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.