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Finding the Fourth Proportional to 74,844, 112,284.50 and 22,253.27

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Solution

The fourth proportional to 74,844, 112,284.50 and 22,253.27 is: 33,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,844 : 112,284.50 = 22,253.27 : x
  2. Step 2: Convert to fraction form
    74,844/112,284.50 = 22,253.27/x
  3. Step 3: Cross multiply
    74,844x = 112,284.50 × 22,253.27
  4. Step 4: Simplify right side
    74,844x = 2,498,696,622.63
  5. Step 5: Solve for x
    x = 2,498,696,622.63/74,844
  6. Step 6: Final answer
    x = 33,385.40

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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.