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Finding the Fourth Proportional to 74,696.63, 103,074.03 and 44,475.93

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Solution

The fourth proportional to 74,696.63, 103,074.03 and 44,475.93 is: 61,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,696.63 : 103,074.03 = 44,475.93 : x
  2. Step 2: Convert to fraction form
    74,696.63/103,074.03 = 44,475.93/x
  3. Step 3: Cross multiply
    74,696.63x = 103,074.03 × 44,475.93
  4. Step 4: Simplify right side
    74,696.63x = 4,584,313,343.10
  5. Step 5: Solve for x
    x = 4,584,313,343.10/74,696.63
  6. Step 6: Final answer
    x = 61,372.43

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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.