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Finding the Fourth Proportional to 92,951.64, 128,273.38 and 52,668.12

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Solution

The fourth proportional to 92,951.64, 128,273.38 and 52,668.12 is: 72,682.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,951.64 : 128,273.38 = 52,668.12 : x
  2. Step 2: Convert to fraction form
    92,951.64/128,273.38 = 52,668.12/x
  3. Step 3: Cross multiply
    92,951.64x = 128,273.38 × 52,668.12
  4. Step 4: Simplify right side
    92,951.64x = 6,755,917,770.65
  5. Step 5: Solve for x
    x = 6,755,917,770.65/92,951.64
  6. Step 6: Final answer
    x = 72,682.07

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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.