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Finding the Fourth Proportional to 74,993.90, 112,501.71 and 25,059.15

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Solution

The fourth proportional to 74,993.90, 112,501.71 and 25,059.15 is: 37,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,993.90 : 112,501.71 = 25,059.15 : x
  2. Step 2: Convert to fraction form
    74,993.90/112,501.71 = 25,059.15/x
  3. Step 3: Cross multiply
    74,993.90x = 112,501.71 × 25,059.15
  4. Step 4: Simplify right side
    74,993.90x = 2,819,197,226.15
  5. Step 5: Solve for x
    x = 2,819,197,226.15/74,993.90
  6. Step 6: Final answer
    x = 37,592.36

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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.