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Finding the Fourth Proportional to 213,528.96, 294,658.46 and 118,029.96

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Solution

The fourth proportional to 213,528.96, 294,658.46 and 118,029.96 is: 162,874.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,528.96 : 294,658.46 = 118,029.96 : x
  2. Step 2: Convert to fraction form
    213,528.96/294,658.46 = 118,029.96/x
  3. Step 3: Cross multiply
    213,528.96x = 294,658.46 × 118,029.96
  4. Step 4: Simplify right side
    213,528.96x = 34,778,526,099.92
  5. Step 5: Solve for x
    x = 34,778,526,099.92/213,528.96
  6. Step 6: Final answer
    x = 162,874.98

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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.