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Finding the Fourth Proportional to 174,798.45, 262,197.95 and 74,893.86

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Solution

The fourth proportional to 174,798.45, 262,197.95 and 74,893.86 is: 112,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,798.45 : 262,197.95 = 74,893.86 : x
  2. Step 2: Convert to fraction form
    174,798.45/262,197.95 = 74,893.86/x
  3. Step 3: Cross multiply
    174,798.45x = 262,197.95 × 74,893.86
  4. Step 4: Simplify right side
    174,798.45x = 19,637,016,185.12
  5. Step 5: Solve for x
    x = 19,637,016,185.12/174,798.45
  6. Step 6: Final answer
    x = 112,340.91

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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.