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Finding the Fourth Proportional to 74,873.57, 112,254.93 and 35,384.58

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Solution

The fourth proportional to 74,873.57, 112,254.93 and 35,384.58 is: 53,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,873.57 : 112,254.93 = 35,384.58 : x
  2. Step 2: Convert to fraction form
    74,873.57/112,254.93 = 35,384.58/x
  3. Step 3: Cross multiply
    74,873.57x = 112,254.93 × 35,384.58
  4. Step 4: Simplify right side
    74,873.57x = 3,972,093,550.98
  5. Step 5: Solve for x
    x = 3,972,093,550.98/74,873.57
  6. Step 6: Final answer
    x = 53,050.68

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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.