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Finding the Fourth Proportional to 146,883.96, 202,702.86 and 79,820.28

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Solution

The fourth proportional to 146,883.96, 202,702.86 and 79,820.28 is: 110,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,883.96 : 202,702.86 = 79,820.28 : x
  2. Step 2: Convert to fraction form
    146,883.96/202,702.86 = 79,820.28/x
  3. Step 3: Cross multiply
    146,883.96x = 202,702.86 × 79,820.28
  4. Step 4: Simplify right side
    146,883.96x = 16,179,799,042.00
  5. Step 5: Solve for x
    x = 16,179,799,042.00/146,883.96
  6. Step 6: Final answer
    x = 110,153.61

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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.