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Finding the Fourth Proportional to 202,305.46, 279,181.53 and 112,881.46

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Solution

The fourth proportional to 202,305.46, 279,181.53 and 112,881.46 is: 155,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,305.46 : 279,181.53 = 112,881.46 : x
  2. Step 2: Convert to fraction form
    202,305.46/279,181.53 = 112,881.46/x
  3. Step 3: Cross multiply
    202,305.46x = 279,181.53 × 112,881.46
  4. Step 4: Simplify right side
    202,305.46x = 31,514,416,751.12
  5. Step 5: Solve for x
    x = 31,514,416,751.12/202,305.46
  6. Step 6: Final answer
    x = 155,776.41

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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.