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Finding the Fourth Proportional to 104,852, 144,701.52 and 60,142.88

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Solution

The fourth proportional to 104,852, 144,701.52 and 60,142.88 is: 83,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,852 : 144,701.52 = 60,142.88 : x
  2. Step 2: Convert to fraction form
    104,852/144,701.52 = 60,142.88/x
  3. Step 3: Cross multiply
    104,852x = 144,701.52 × 60,142.88
  4. Step 4: Simplify right side
    104,852x = 8,702,766,153.18
  5. Step 5: Solve for x
    x = 8,702,766,153.18/104,852
  6. Step 6: Final answer
    x = 83,000.48

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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.