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Finding the Fourth Proportional to 182,813.70, 274,220.55 and 153,945.30

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Solution

The fourth proportional to 182,813.70, 274,220.55 and 153,945.30 is: 230,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,813.70 : 274,220.55 = 153,945.30 : x
  2. Step 2: Convert to fraction form
    182,813.70/274,220.55 = 153,945.30/x
  3. Step 3: Cross multiply
    182,813.70x = 274,220.55 × 153,945.30
  4. Step 4: Simplify right side
    182,813.70x = 42,214,964,835.92
  5. Step 5: Solve for x
    x = 42,214,964,835.92/182,813.70
  6. Step 6: Final answer
    x = 230,917.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.