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Finding the Fourth Proportional to 224,720.64, 309,819.12 and 173,095.92

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Solution

The fourth proportional to 224,720.64, 309,819.12 and 173,095.92 is: 238,644.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,720.64 : 309,819.12 = 173,095.92 : x
  2. Step 2: Convert to fraction form
    224,720.64/309,819.12 = 173,095.92/x
  3. Step 3: Cross multiply
    224,720.64x = 309,819.12 × 173,095.92
  4. Step 4: Simplify right side
    224,720.64x = 53,628,425,609.99
  5. Step 5: Solve for x
    x = 53,628,425,609.99/224,720.64
  6. Step 6: Final answer
    x = 238,644.86

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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.