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Finding the Fourth Proportional to 92,364.57, 138,326.94 and 58,981.23

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Solution

The fourth proportional to 92,364.57, 138,326.94 and 58,981.23 is: 88,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,364.57 : 138,326.94 = 58,981.23 : x
  2. Step 2: Convert to fraction form
    92,364.57/138,326.94 = 58,981.23/x
  3. Step 3: Cross multiply
    92,364.57x = 138,326.94 × 58,981.23
  4. Step 4: Simplify right side
    92,364.57x = 8,158,693,063.34
  5. Step 5: Solve for x
    x = 8,158,693,063.34/92,364.57
  6. Step 6: Final answer
    x = 88,331.41

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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.