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Finding the Fourth Proportional to 124,818.44, 187,188.78 and 41,693

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Solution

The fourth proportional to 124,818.44, 187,188.78 and 41,693 is: 62,526.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,818.44 : 187,188.78 = 41,693 : x
  2. Step 2: Convert to fraction form
    124,818.44/187,188.78 = 41,693/x
  3. Step 3: Cross multiply
    124,818.44x = 187,188.78 × 41,693
  4. Step 4: Simplify right side
    124,818.44x = 7,804,461,804.54
  5. Step 5: Solve for x
    x = 7,804,461,804.54/124,818.44
  6. Step 6: Final answer
    x = 62,526.51

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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.