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Finding the Fourth Proportional to 92,344.48, 138,467.49 and 47,926.51

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Solution

The fourth proportional to 92,344.48, 138,467.49 and 47,926.51 is: 71,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,344.48 : 138,467.49 = 47,926.51 : x
  2. Step 2: Convert to fraction form
    92,344.48/138,467.49 = 47,926.51/x
  3. Step 3: Cross multiply
    92,344.48x = 138,467.49 × 47,926.51
  4. Step 4: Simplify right side
    92,344.48x = 6,636,263,544.16
  5. Step 5: Solve for x
    x = 6,636,263,544.16/92,344.48
  6. Step 6: Final answer
    x = 71,864.21

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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.