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Finding the Fourth Proportional to 146,522.76, 202,201.43 and 79,454.76

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Solution

The fourth proportional to 146,522.76, 202,201.43 and 79,454.76 is: 109,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,522.76 : 202,201.43 = 79,454.76 : x
  2. Step 2: Convert to fraction form
    146,522.76/202,201.43 = 79,454.76/x
  3. Step 3: Cross multiply
    146,522.76x = 202,201.43 × 79,454.76
  4. Step 4: Simplify right side
    146,522.76x = 16,065,865,695.03
  5. Step 5: Solve for x
    x = 16,065,865,695.03/146,522.76
  6. Step 6: Final answer
    x = 109,647.58

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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.