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Finding the Fourth Proportional to 92,620.61, 127,821.42 and 52,336.07

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Solution

The fourth proportional to 92,620.61, 127,821.42 and 52,336.07 is: 72,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,620.61 : 127,821.42 = 52,336.07 : x
  2. Step 2: Convert to fraction form
    92,620.61/127,821.42 = 52,336.07/x
  3. Step 3: Cross multiply
    92,620.61x = 127,821.42 × 52,336.07
  4. Step 4: Simplify right side
    92,620.61x = 6,689,670,145.51
  5. Step 5: Solve for x
    x = 6,689,670,145.51/92,620.61
  6. Step 6: Final answer
    x = 72,226.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.