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Finding the Fourth Proportional to 92,179.95, 138,239.17 and 36,005.49

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Solution

The fourth proportional to 92,179.95, 138,239.17 and 36,005.49 is: 53,996.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,179.95 : 138,239.17 = 36,005.49 : x
  2. Step 2: Convert to fraction form
    92,179.95/138,239.17 = 36,005.49/x
  3. Step 3: Cross multiply
    92,179.95x = 138,239.17 × 36,005.49
  4. Step 4: Simplify right side
    92,179.95x = 4,977,369,053.04
  5. Step 5: Solve for x
    x = 4,977,369,053.04/92,179.95
  6. Step 6: Final answer
    x = 53,996.22

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1.5x scale

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.