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Finding the Fourth Proportional to 104,685.42, 144,418.23 and 62,219.82

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Solution

The fourth proportional to 104,685.42, 144,418.23 and 62,219.82 is: 85,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,685.42 : 144,418.23 = 62,219.82 : x
  2. Step 2: Convert to fraction form
    104,685.42/144,418.23 = 62,219.82/x
  3. Step 3: Cross multiply
    104,685.42x = 144,418.23 × 62,219.82
  4. Step 4: Simplify right side
    104,685.42x = 8,985,676,275.32
  5. Step 5: Solve for x
    x = 8,985,676,275.32/104,685.42
  6. Step 6: Final answer
    x = 85,835.03

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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.