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Finding the Fourth Proportional to 92,301.75, 138,465.99 and 29,100.51

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Solution

The fourth proportional to 92,301.75, 138,465.99 and 29,100.51 is: 43,654.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,301.75 : 138,465.99 = 29,100.51 : x
  2. Step 2: Convert to fraction form
    92,301.75/138,465.99 = 29,100.51/x
  3. Step 3: Cross multiply
    92,301.75x = 138,465.99 × 29,100.51
  4. Step 4: Simplify right side
    92,301.75x = 4,029,430,926.65
  5. Step 5: Solve for x
    x = 4,029,430,926.65/92,301.75
  6. Step 6: Final answer
    x = 43,654.98

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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.