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Finding the Fourth Proportional to 141,697.60, 212,581.26 and 41,857.30

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Solution

The fourth proportional to 141,697.60, 212,581.26 and 41,857.30 is: 62,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,697.60 : 212,581.26 = 41,857.30 : x
  2. Step 2: Convert to fraction form
    141,697.60/212,581.26 = 41,857.30/x
  3. Step 3: Cross multiply
    141,697.60x = 212,581.26 × 41,857.30
  4. Step 4: Simplify right side
    141,697.60x = 8,898,077,574.20
  5. Step 5: Solve for x
    x = 8,898,077,574.20/141,697.60
  6. Step 6: Final answer
    x = 62,796.25

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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.