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Finding the Fourth Proportional to 92,263.62, 138,388.95 and 52,696.74

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Solution

The fourth proportional to 92,263.62, 138,388.95 and 52,696.74 is: 79,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,263.62 : 138,388.95 = 52,696.74 : x
  2. Step 2: Convert to fraction form
    92,263.62/138,388.95 = 52,696.74/x
  3. Step 3: Cross multiply
    92,263.62x = 138,388.95 × 52,696.74
  4. Step 4: Simplify right side
    92,263.62x = 7,292,646,517.02
  5. Step 5: Solve for x
    x = 7,292,646,517.02/92,263.62
  6. Step 6: Final answer
    x = 79,041.41

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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.