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Finding the Fourth Proportional to 92,244.36, 138,385.98 and 29,910

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Solution

The fourth proportional to 92,244.36, 138,385.98 and 29,910 is: 44,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,244.36 : 138,385.98 = 29,910 : x
  2. Step 2: Convert to fraction form
    92,244.36/138,385.98 = 29,910/x
  3. Step 3: Cross multiply
    92,244.36x = 138,385.98 × 29,910
  4. Step 4: Simplify right side
    92,244.36x = 4,139,124,661.80
  5. Step 5: Solve for x
    x = 4,139,124,661.80/92,244.36
  6. Step 6: Final answer
    x = 44,871.30

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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.