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Finding the Fourth Proportional to 92,174.63, 127,203.41 and 51,889.87

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Solution

The fourth proportional to 92,174.63, 127,203.41 and 51,889.87 is: 71,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,174.63 : 127,203.41 = 51,889.87 : x
  2. Step 2: Convert to fraction form
    92,174.63/127,203.41 = 51,889.87/x
  3. Step 3: Cross multiply
    92,174.63x = 127,203.41 × 51,889.87
  4. Step 4: Simplify right side
    92,174.63x = 6,600,567,981.67
  5. Step 5: Solve for x
    x = 6,600,567,981.67/92,174.63
  6. Step 6: Final answer
    x = 71,609.38

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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.