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Finding the Fourth Proportional to 105,062.44, 144,985.50 and 59,740.44

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Solution

The fourth proportional to 105,062.44, 144,985.50 and 59,740.44 is: 82,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,062.44 : 144,985.50 = 59,740.44 : x
  2. Step 2: Convert to fraction form
    105,062.44/144,985.50 = 59,740.44/x
  3. Step 3: Cross multiply
    105,062.44x = 144,985.50 × 59,740.44
  4. Step 4: Simplify right side
    105,062.44x = 8,661,496,539.99
  5. Step 5: Solve for x
    x = 8,661,496,539.99/105,062.44
  6. Step 6: Final answer
    x = 82,441.42

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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.