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Finding the Fourth Proportional to 92,567.70, 127,740.84 and 54,841.96

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Solution

The fourth proportional to 92,567.70, 127,740.84 and 54,841.96 is: 75,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,567.70 : 127,740.84 = 54,841.96 : x
  2. Step 2: Convert to fraction form
    92,567.70/127,740.84 = 54,841.96/x
  3. Step 3: Cross multiply
    92,567.70x = 127,740.84 × 54,841.96
  4. Step 4: Simplify right side
    92,567.70x = 7,005,558,037.65
  5. Step 5: Solve for x
    x = 7,005,558,037.65/92,567.70
  6. Step 6: Final answer
    x = 75,680.37

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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.