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Finding the Fourth Proportional to 131,468.20, 197,223.90 and 56,624.20

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Solution

The fourth proportional to 131,468.20, 197,223.90 and 56,624.20 is: 84,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,468.20 : 197,223.90 = 56,624.20 : x
  2. Step 2: Convert to fraction form
    131,468.20/197,223.90 = 56,624.20/x
  3. Step 3: Cross multiply
    131,468.20x = 197,223.90 × 56,624.20
  4. Step 4: Simplify right side
    131,468.20x = 11,167,645,558.38
  5. Step 5: Solve for x
    x = 11,167,645,558.38/131,468.20
  6. Step 6: Final answer
    x = 84,945.60

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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.