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Finding the Fourth Proportional to 92,207.70, 127,253.43 and 51,925.86

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Solution

The fourth proportional to 92,207.70, 127,253.43 and 51,925.86 is: 71,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,207.70 : 127,253.43 = 51,925.86 : x
  2. Step 2: Convert to fraction form
    92,207.70/127,253.43 = 51,925.86/x
  3. Step 3: Cross multiply
    92,207.70x = 127,253.43 × 51,925.86
  4. Step 4: Simplify right side
    92,207.70x = 6,607,743,790.70
  5. Step 5: Solve for x
    x = 6,607,743,790.70/92,207.70
  6. Step 6: Final answer
    x = 71,661.52

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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.