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Finding the Fourth Proportional to 146,765.64, 202,536.63 and 79,697.64

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Solution

The fourth proportional to 146,765.64, 202,536.63 and 79,697.64 is: 109,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,765.64 : 202,536.63 = 79,697.64 : x
  2. Step 2: Convert to fraction form
    146,765.64/202,536.63 = 79,697.64/x
  3. Step 3: Cross multiply
    146,765.64x = 202,536.63 × 79,697.64
  4. Step 4: Simplify right side
    146,765.64x = 16,141,691,424.55
  5. Step 5: Solve for x
    x = 16,141,691,424.55/146,765.64
  6. Step 6: Final answer
    x = 109,982.77

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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.