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Finding the Fourth Proportional to 131,568.60, 197,255.70 and 56,627.40

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Solution

The fourth proportional to 131,568.60, 197,255.70 and 56,627.40 is: 84,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,568.60 : 197,255.70 = 56,627.40 : x
  2. Step 2: Convert to fraction form
    131,568.60/197,255.70 = 56,627.40/x
  3. Step 3: Cross multiply
    131,568.60x = 197,255.70 × 56,627.40
  4. Step 4: Simplify right side
    131,568.60x = 11,170,077,426.18
  5. Step 5: Solve for x
    x = 11,170,077,426.18/131,568.60
  6. Step 6: Final answer
    x = 84,899.26

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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.