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Finding the Fourth Proportional to 164,745.54, 247,118.31 and 40,085.46

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Solution

The fourth proportional to 164,745.54, 247,118.31 and 40,085.46 is: 60,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,745.54 : 247,118.31 = 40,085.46 : x
  2. Step 2: Convert to fraction form
    164,745.54/247,118.31 = 40,085.46/x
  3. Step 3: Cross multiply
    164,745.54x = 247,118.31 × 40,085.46
  4. Step 4: Simplify right side
    164,745.54x = 9,905,851,130.77
  5. Step 5: Solve for x
    x = 9,905,851,130.77/164,745.54
  6. Step 6: Final answer
    x = 60,128.19

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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.