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Finding the Fourth Proportional to 92,663.91, 127,876.59 and 58,636.93

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Solution

The fourth proportional to 92,663.91, 127,876.59 and 58,636.93 is: 80,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,663.91 : 127,876.59 = 58,636.93 : x
  2. Step 2: Convert to fraction form
    92,663.91/127,876.59 = 58,636.93/x
  3. Step 3: Cross multiply
    92,663.91x = 127,876.59 × 58,636.93
  4. Step 4: Simplify right side
    92,663.91x = 7,498,289,789.69
  5. Step 5: Solve for x
    x = 7,498,289,789.69/92,663.91
  6. Step 6: Final answer
    x = 80,919.20

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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.