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Finding the Fourth Proportional to 92,668.88, 127,800.44 and 72,255.92

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Solution

The fourth proportional to 92,668.88, 127,800.44 and 72,255.92 is: 99,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,668.88 : 127,800.44 = 72,255.92 : x
  2. Step 2: Convert to fraction form
    92,668.88/127,800.44 = 72,255.92/x
  3. Step 3: Cross multiply
    92,668.88x = 127,800.44 × 72,255.92
  4. Step 4: Simplify right side
    92,668.88x = 9,234,338,368.60
  5. Step 5: Solve for x
    x = 9,234,338,368.60/92,668.88
  6. Step 6: Final answer
    x = 99,648.75

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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.