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Finding the Fourth Proportional to 169,357.74, 233,520.98 and 138,633.11

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Solution

The fourth proportional to 169,357.74, 233,520.98 and 138,633.11 is: 191,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,357.74 : 233,520.98 = 138,633.11 : x
  2. Step 2: Convert to fraction form
    169,357.74/233,520.98 = 138,633.11/x
  3. Step 3: Cross multiply
    169,357.74x = 233,520.98 × 138,633.11
  4. Step 4: Simplify right side
    169,357.74x = 32,373,737,846.88
  5. Step 5: Solve for x
    x = 32,373,737,846.88/169,357.74
  6. Step 6: Final answer
    x = 191,155.94

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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.