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Finding the Fourth Proportional to 104,635.88, 144,418.46 and 62,186.20

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Solution

The fourth proportional to 104,635.88, 144,418.46 and 62,186.20 is: 85,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,635.88 : 144,418.46 = 62,186.20 : x
  2. Step 2: Convert to fraction form
    104,635.88/144,418.46 = 62,186.20/x
  3. Step 3: Cross multiply
    104,635.88x = 144,418.46 × 62,186.20
  4. Step 4: Simplify right side
    104,635.88x = 8,980,835,237.25
  5. Step 5: Solve for x
    x = 8,980,835,237.25/104,635.88
  6. Step 6: Final answer
    x = 85,829.40

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1.5x scale

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.