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Finding the Fourth Proportional to 226,307.56, 312,269.70 and 130,795.72

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Solution

The fourth proportional to 226,307.56, 312,269.70 and 130,795.72 is: 180,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,307.56 : 312,269.70 = 130,795.72 : x
  2. Step 2: Convert to fraction form
    226,307.56/312,269.70 = 130,795.72/x
  3. Step 3: Cross multiply
    226,307.56x = 312,269.70 × 130,795.72
  4. Step 4: Simplify right side
    226,307.56x = 40,843,540,245.68
  5. Step 5: Solve for x
    x = 40,843,540,245.68/226,307.56
  6. Step 6: Final answer
    x = 180,478.02

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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.