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Finding the Fourth Proportional to 141,498.62, 212,247.92 and 96,990.44

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Solution

The fourth proportional to 141,498.62, 212,247.92 and 96,990.44 is: 145,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,498.62 : 212,247.92 = 96,990.44 : x
  2. Step 2: Convert to fraction form
    141,498.62/212,247.92 = 96,990.44/x
  3. Step 3: Cross multiply
    141,498.62x = 212,247.92 × 96,990.44
  4. Step 4: Simplify right side
    141,498.62x = 20,586,018,331.12
  5. Step 5: Solve for x
    x = 20,586,018,331.12/141,498.62
  6. Step 6: Final answer
    x = 145,485.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.