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Finding the Fourth Proportional to 213,141.92, 294,114.87 and 117,642.42

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Solution

The fourth proportional to 213,141.92, 294,114.87 and 117,642.42 is: 162,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,141.92 : 294,114.87 = 117,642.42 : x
  2. Step 2: Convert to fraction form
    213,141.92/294,114.87 = 117,642.42/x
  3. Step 3: Cross multiply
    213,141.92x = 294,114.87 × 117,642.42
  4. Step 4: Simplify right side
    213,141.92x = 34,600,385,064.79
  5. Step 5: Solve for x
    x = 34,600,385,064.79/213,141.92
  6. Step 6: Final answer
    x = 162,334.96

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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.