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Finding the Fourth Proportional to 92,649.75, 138,962.34 and 26,095.11

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Solution

The fourth proportional to 92,649.75, 138,962.34 and 26,095.11 is: 39,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,649.75 : 138,962.34 = 26,095.11 : x
  2. Step 2: Convert to fraction form
    92,649.75/138,962.34 = 26,095.11/x
  3. Step 3: Cross multiply
    92,649.75x = 138,962.34 × 26,095.11
  4. Step 4: Simplify right side
    92,649.75x = 3,626,237,548.16
  5. Step 5: Solve for x
    x = 3,626,237,548.16/92,649.75
  6. Step 6: Final answer
    x = 39,139.20

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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.