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Finding the Fourth Proportional to 226,748.80, 340,123.20 and 114,774.40

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Solution

The fourth proportional to 226,748.80, 340,123.20 and 114,774.40 is: 172,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,748.80 : 340,123.20 = 114,774.40 : x
  2. Step 2: Convert to fraction form
    226,748.80/340,123.20 = 114,774.40/x
  3. Step 3: Cross multiply
    226,748.80x = 340,123.20 × 114,774.40
  4. Step 4: Simplify right side
    226,748.80x = 39,037,436,206.08
  5. Step 5: Solve for x
    x = 39,037,436,206.08/226,748.80
  6. Step 6: Final answer
    x = 172,161.60

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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.