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Finding the Fourth Proportional to 146,955.72, 202,799.10 and 79,887.72

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Solution

The fourth proportional to 146,955.72, 202,799.10 and 79,887.72 is: 110,245.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,955.72 : 202,799.10 = 79,887.72 : x
  2. Step 2: Convert to fraction form
    146,955.72/202,799.10 = 79,887.72/x
  3. Step 3: Cross multiply
    146,955.72x = 202,799.10 × 79,887.72
  4. Step 4: Simplify right side
    146,955.72x = 16,201,157,717.05
  5. Step 5: Solve for x
    x = 16,201,157,717.05/146,955.72
  6. Step 6: Final answer
    x = 110,245.17

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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.