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Finding the Fourth Proportional to 191,522.88, 264,299.76 and 106,634.88

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Solution

The fourth proportional to 191,522.88, 264,299.76 and 106,634.88 is: 147,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,522.88 : 264,299.76 = 106,634.88 : x
  2. Step 2: Convert to fraction form
    191,522.88/264,299.76 = 106,634.88/x
  3. Step 3: Cross multiply
    191,522.88x = 264,299.76 × 106,634.88
  4. Step 4: Simplify right side
    191,522.88x = 28,183,573,191.63
  5. Step 5: Solve for x
    x = 28,183,573,191.63/191,522.88
  6. Step 6: Final answer
    x = 147,155.12

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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.