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Finding the Fourth Proportional to 189,223.56, 257,630.49 and 188,633.07

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Solution

The fourth proportional to 189,223.56, 257,630.49 and 188,633.07 is: 256,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,223.56 : 257,630.49 = 188,633.07 : x
  2. Step 2: Convert to fraction form
    189,223.56/257,630.49 = 188,633.07/x
  3. Step 3: Cross multiply
    189,223.56x = 257,630.49 × 188,633.07
  4. Step 4: Simplify right side
    189,223.56x = 48,597,630,254.30
  5. Step 5: Solve for x
    x = 48,597,630,254.30/189,223.56
  6. Step 6: Final answer
    x = 256,826.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.