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Finding the Fourth Proportional to 191,573.92, 264,380.21 and 106,690.98

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Solution

The fourth proportional to 191,573.92, 264,380.21 and 106,690.98 is: 147,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,573.92 : 264,380.21 = 106,690.98 : x
  2. Step 2: Convert to fraction form
    191,573.92/264,380.21 = 106,690.98/x
  3. Step 3: Cross multiply
    191,573.92x = 264,380.21 × 106,690.98
  4. Step 4: Simplify right side
    191,573.92x = 28,206,983,697.51
  5. Step 5: Solve for x
    x = 28,206,983,697.51/191,573.92
  6. Step 6: Final answer
    x = 147,238.12

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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.