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Finding the Fourth Proportional to 74,863.52, 112,300.68 and 23,567.79

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Solution

The fourth proportional to 74,863.52, 112,300.68 and 23,567.79 is: 35,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,863.52 : 112,300.68 = 23,567.79 : x
  2. Step 2: Convert to fraction form
    74,863.52/112,300.68 = 23,567.79/x
  3. Step 3: Cross multiply
    74,863.52x = 112,300.68 × 23,567.79
  4. Step 4: Simplify right side
    74,863.52x = 2,646,679,220.04
  5. Step 5: Solve for x
    x = 2,646,679,220.04/74,863.52
  6. Step 6: Final answer
    x = 35,353.39

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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.