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Finding the Fourth Proportional to 191,782.98, 264,614.49 and 123,785.55

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Solution

The fourth proportional to 191,782.98, 264,614.49 and 123,785.55 is: 170,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,782.98 : 264,614.49 = 123,785.55 : x
  2. Step 2: Convert to fraction form
    191,782.98/264,614.49 = 123,785.55/x
  3. Step 3: Cross multiply
    191,782.98x = 264,614.49 × 123,785.55
  4. Step 4: Simplify right side
    191,782.98x = 32,755,450,182.62
  5. Step 5: Solve for x
    x = 32,755,450,182.62/191,782.98
  6. Step 6: Final answer
    x = 170,794.35

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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.