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Finding the Fourth Proportional to 92,492.39, 138,738.65 and 22,371.77

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Solution

The fourth proportional to 92,492.39, 138,738.65 and 22,371.77 is: 33,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,492.39 : 138,738.65 = 22,371.77 : x
  2. Step 2: Convert to fraction form
    92,492.39/138,738.65 = 22,371.77/x
  3. Step 3: Cross multiply
    92,492.39x = 138,738.65 × 22,371.77
  4. Step 4: Simplify right side
    92,492.39x = 3,103,828,362.36
  5. Step 5: Solve for x
    x = 3,103,828,362.36/92,492.39
  6. Step 6: Final answer
    x = 33,557.66

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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.