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Finding the Fourth Proportional to 62,131.48, 85,743.87 and 35,276.48

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Solution

The fourth proportional to 62,131.48, 85,743.87 and 35,276.48 is: 48,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,131.48 : 85,743.87 = 35,276.48 : x
  2. Step 2: Convert to fraction form
    62,131.48/85,743.87 = 35,276.48/x
  3. Step 3: Cross multiply
    62,131.48x = 85,743.87 × 35,276.48
  4. Step 4: Simplify right side
    62,131.48x = 3,024,742,158.02
  5. Step 5: Solve for x
    x = 3,024,742,158.02/62,131.48
  6. Step 6: Final answer
    x = 48,682.93

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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.