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Finding the Fourth Proportional to 146,882.64, 202,699.32 and 79,814.64

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Solution

The fourth proportional to 146,882.64, 202,699.32 and 79,814.64 is: 110,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,882.64 : 202,699.32 = 79,814.64 : x
  2. Step 2: Convert to fraction form
    146,882.64/202,699.32 = 79,814.64/x
  3. Step 3: Cross multiply
    146,882.64x = 202,699.32 × 79,814.64
  4. Step 4: Simplify right side
    146,882.64x = 16,178,373,254.04
  5. Step 5: Solve for x
    x = 16,178,373,254.04/146,882.64
  6. Step 6: Final answer
    x = 110,144.90

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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.