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Finding the Fourth Proportional to 156,763, 216,394.94 and 109,044.04

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Solution

The fourth proportional to 156,763, 216,394.94 and 109,044.04 is: 150,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,763 : 216,394.94 = 109,044.04 : x
  2. Step 2: Convert to fraction form
    156,763/216,394.94 = 109,044.04/x
  3. Step 3: Cross multiply
    156,763x = 216,394.94 × 109,044.04
  4. Step 4: Simplify right side
    156,763x = 23,596,578,493.16
  5. Step 5: Solve for x
    x = 23,596,578,493.16/156,763
  6. Step 6: Final answer
    x = 150,523.90

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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.