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Finding the Fourth Proportional to 202,369.32, 279,255.24 and 111,710.64

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Solution

The fourth proportional to 202,369.32, 279,255.24 and 111,710.64 is: 154,152.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,369.32 : 279,255.24 = 111,710.64 : x
  2. Step 2: Convert to fraction form
    202,369.32/279,255.24 = 111,710.64/x
  3. Step 3: Cross multiply
    202,369.32x = 279,255.24 × 111,710.64
  4. Step 4: Simplify right side
    202,369.32x = 31,195,781,583.75
  5. Step 5: Solve for x
    x = 31,195,781,583.75/202,369.32
  6. Step 6: Final answer
    x = 154,152.72

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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.