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Finding the Fourth Proportional to 213,535.55, 294,664.22 and 118,034.73

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Solution

The fourth proportional to 213,535.55, 294,664.22 and 118,034.73 is: 162,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,535.55 : 294,664.22 = 118,034.73 : x
  2. Step 2: Convert to fraction form
    213,535.55/294,664.22 = 118,034.73/x
  3. Step 3: Cross multiply
    213,535.55x = 294,664.22 × 118,034.73
  4. Step 4: Simplify right side
    213,535.55x = 34,780,611,500.82
  5. Step 5: Solve for x
    x = 34,780,611,500.82/213,535.55
  6. Step 6: Final answer
    x = 162,879.72

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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.