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Finding the Fourth Proportional to 92,648.67, 138,971.53 and 29,467.88

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Solution

The fourth proportional to 92,648.67, 138,971.53 and 29,467.88 is: 44,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,648.67 : 138,971.53 = 29,467.88 : x
  2. Step 2: Convert to fraction form
    92,648.67/138,971.53 = 29,467.88/x
  3. Step 3: Cross multiply
    92,648.67x = 138,971.53 × 29,467.88
  4. Step 4: Simplify right side
    92,648.67x = 4,095,196,369.46
  5. Step 5: Solve for x
    x = 4,095,196,369.46/92,648.67
  6. Step 6: Final answer
    x = 44,201.35

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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.