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Finding the Fourth Proportional to 146,511.59, 202,187.22 and 79,443.59

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Solution

The fourth proportional to 146,511.59, 202,187.22 and 79,443.59 is: 109,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,511.59 : 202,187.22 = 79,443.59 : x
  2. Step 2: Convert to fraction form
    146,511.59/202,187.22 = 79,443.59/x
  3. Step 3: Cross multiply
    146,511.59x = 202,187.22 × 79,443.59
  4. Step 4: Simplify right side
    146,511.59x = 16,062,478,608.92
  5. Step 5: Solve for x
    x = 16,062,478,608.92/146,511.59
  6. Step 6: Final answer
    x = 109,632.82

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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.