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Finding the Fourth Proportional to 74,954, 112,437.48 and 19,550

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Solution

The fourth proportional to 74,954, 112,437.48 and 19,550 is: 29,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,954 : 112,437.48 = 19,550 : x
  2. Step 2: Convert to fraction form
    74,954/112,437.48 = 19,550/x
  3. Step 3: Cross multiply
    74,954x = 112,437.48 × 19,550
  4. Step 4: Simplify right side
    74,954x = 2,198,152,734
  5. Step 5: Solve for x
    x = 2,198,152,734/74,954
  6. Step 6: Final answer
    x = 29,326.69

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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.