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Finding the Fourth Proportional to 202,899.06, 279,999.18 and 113,475.06

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Solution

The fourth proportional to 202,899.06, 279,999.18 and 113,475.06 is: 156,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,899.06 : 279,999.18 = 113,475.06 : x
  2. Step 2: Convert to fraction form
    202,899.06/279,999.18 = 113,475.06/x
  3. Step 3: Cross multiply
    202,899.06x = 279,999.18 × 113,475.06
  4. Step 4: Simplify right side
    202,899.06x = 31,772,923,750.45
  5. Step 5: Solve for x
    x = 31,772,923,750.45/202,899.06
  6. Step 6: Final answer
    x = 156,594.73

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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.