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Finding the Fourth Proportional to 92,620.74, 127,822.50 and 56,805.87

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Solution

The fourth proportional to 92,620.74, 127,822.50 and 56,805.87 is: 78,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,620.74 : 127,822.50 = 56,805.87 : x
  2. Step 2: Convert to fraction form
    92,620.74/127,822.50 = 56,805.87/x
  3. Step 3: Cross multiply
    92,620.74x = 127,822.50 × 56,805.87
  4. Step 4: Simplify right side
    92,620.74x = 7,261,068,318.08
  5. Step 5: Solve for x
    x = 7,261,068,318.08/92,620.74
  6. Step 6: Final answer
    x = 78,395.71

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1.5x scale

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.