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Finding the Fourth Proportional to 92,299.92, 127,416.41 and 54,054.15

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Solution

The fourth proportional to 92,299.92, 127,416.41 and 54,054.15 is: 74,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,299.92 : 127,416.41 = 54,054.15 : x
  2. Step 2: Convert to fraction form
    92,299.92/127,416.41 = 54,054.15/x
  3. Step 3: Cross multiply
    92,299.92x = 127,416.41 × 54,054.15
  4. Step 4: Simplify right side
    92,299.92x = 6,887,385,738.60
  5. Step 5: Solve for x
    x = 6,887,385,738.60/92,299.92
  6. Step 6: Final answer
    x = 74,619.63

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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.