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Finding the Fourth Proportional to 74,681.70, 103,055.94 and 44,469.24

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Solution

The fourth proportional to 74,681.70, 103,055.94 and 44,469.24 is: 61,364.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,681.70 : 103,055.94 = 44,469.24 : x
  2. Step 2: Convert to fraction form
    74,681.70/103,055.94 = 44,469.24/x
  3. Step 3: Cross multiply
    74,681.70x = 103,055.94 × 44,469.24
  4. Step 4: Simplify right side
    74,681.70x = 4,582,819,329.29
  5. Step 5: Solve for x
    x = 4,582,819,329.29/74,681.70
  6. Step 6: Final answer
    x = 61,364.69

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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.