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Finding the Fourth Proportional to 213,484.92, 294,624.44 and 117,989.56

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Solution

The fourth proportional to 213,484.92, 294,624.44 and 117,989.56 is: 162,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,484.92 : 294,624.44 = 117,989.56 : x
  2. Step 2: Convert to fraction form
    213,484.92/294,624.44 = 117,989.56/x
  3. Step 3: Cross multiply
    213,484.92x = 294,624.44 × 117,989.56
  4. Step 4: Simplify right side
    213,484.92x = 34,762,608,261.64
  5. Step 5: Solve for x
    x = 34,762,608,261.64/213,484.92
  6. Step 6: Final answer
    x = 162,834.03

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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.