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Finding the Fourth Proportional to 92,166.36, 138,271.50 and 29,836.86

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Solution

The fourth proportional to 92,166.36, 138,271.50 and 29,836.86 is: 44,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,166.36 : 138,271.50 = 29,836.86 : x
  2. Step 2: Convert to fraction form
    92,166.36/138,271.50 = 29,836.86/x
  3. Step 3: Cross multiply
    92,166.36x = 138,271.50 × 29,836.86
  4. Step 4: Simplify right side
    92,166.36x = 4,125,587,387.49
  5. Step 5: Solve for x
    x = 4,125,587,387.49/92,166.36
  6. Step 6: Final answer
    x = 44,762.40

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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.