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Finding the Fourth Proportional to 92,596.74, 127,776.88 and 54,357.86

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Solution

The fourth proportional to 92,596.74, 127,776.88 and 54,357.86 is: 75,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,596.74 : 127,776.88 = 54,357.86 : x
  2. Step 2: Convert to fraction form
    92,596.74/127,776.88 = 54,357.86/x
  3. Step 3: Cross multiply
    92,596.74x = 127,776.88 × 54,357.86
  4. Step 4: Simplify right side
    92,596.74x = 6,945,677,754.28
  5. Step 5: Solve for x
    x = 6,945,677,754.28/92,596.74
  6. Step 6: Final answer
    x = 75,009.96

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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.