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Finding the Fourth Proportional to 74,299, 111,465.78 and 25,051

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Solution

The fourth proportional to 74,299, 111,465.78 and 25,051 is: 37,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,299 : 111,465.78 = 25,051 : x
  2. Step 2: Convert to fraction form
    74,299/111,465.78 = 25,051/x
  3. Step 3: Cross multiply
    74,299x = 111,465.78 × 25,051
  4. Step 4: Simplify right side
    74,299x = 2,792,329,254.78
  5. Step 5: Solve for x
    x = 2,792,329,254.78/74,299
  6. Step 6: Final answer
    x = 37,582.33

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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.