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Finding the Fourth Proportional to 110,858.46, 152,985.15 and 60,558.54

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Solution

The fourth proportional to 110,858.46, 152,985.15 and 60,558.54 is: 83,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,858.46 : 152,985.15 = 60,558.54 : x
  2. Step 2: Convert to fraction form
    110,858.46/152,985.15 = 60,558.54/x
  3. Step 3: Cross multiply
    110,858.46x = 152,985.15 × 60,558.54
  4. Step 4: Simplify right side
    110,858.46x = 9,264,557,325.68
  5. Step 5: Solve for x
    x = 9,264,557,325.68/110,858.46
  6. Step 6: Final answer
    x = 83,571.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.