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Finding the Fourth Proportional to 92,392.68, 127,521.68 and 58,379.57

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Solution

The fourth proportional to 92,392.68, 127,521.68 and 58,379.57 is: 80,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,392.68 : 127,521.68 = 58,379.57 : x
  2. Step 2: Convert to fraction form
    92,392.68/127,521.68 = 58,379.57/x
  3. Step 3: Cross multiply
    92,392.68x = 127,521.68 × 58,379.57
  4. Step 4: Simplify right side
    92,392.68x = 7,444,659,914.57
  5. Step 5: Solve for x
    x = 7,444,659,914.57/92,392.68
  6. Step 6: Final answer
    x = 80,576.30

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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.