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Finding the Fourth Proportional to 92,054.94, 126,858.87 and 65,512.86

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Solution

The fourth proportional to 92,054.94, 126,858.87 and 65,512.86 is: 90,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,054.94 : 126,858.87 = 65,512.86 : x
  2. Step 2: Convert to fraction form
    92,054.94/126,858.87 = 65,512.86/x
  3. Step 3: Cross multiply
    92,054.94x = 126,858.87 × 65,512.86
  4. Step 4: Simplify right side
    92,054.94x = 8,310,887,390.07
  5. Step 5: Solve for x
    x = 8,310,887,390.07/92,054.94
  6. Step 6: Final answer
    x = 90,281.82

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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.