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Finding the Fourth Proportional to 74,344.88, 102,615.60 and 46,034.48

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Solution

The fourth proportional to 74,344.88, 102,615.60 and 46,034.48 is: 63,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,344.88 : 102,615.60 = 46,034.48 : x
  2. Step 2: Convert to fraction form
    74,344.88/102,615.60 = 46,034.48/x
  3. Step 3: Cross multiply
    74,344.88x = 102,615.60 × 46,034.48
  4. Step 4: Simplify right side
    74,344.88x = 4,723,855,785.89
  5. Step 5: Solve for x
    x = 4,723,855,785.89/74,344.88
  6. Step 6: Final answer
    x = 63,539.76

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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.