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Finding the Fourth Proportional to 226,697.60, 312,830.16 and 126,089.12

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Solution

The fourth proportional to 226,697.60, 312,830.16 and 126,089.12 is: 173,996.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,697.60 : 312,830.16 = 126,089.12 : x
  2. Step 2: Convert to fraction form
    226,697.60/312,830.16 = 126,089.12/x
  3. Step 3: Cross multiply
    226,697.60x = 312,830.16 × 126,089.12
  4. Step 4: Simplify right side
    226,697.60x = 39,444,479,583.86
  5. Step 5: Solve for x
    x = 39,444,479,583.86/226,697.60
  6. Step 6: Final answer
    x = 173,996.02

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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.