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Finding the Fourth Proportional to 104,596.53, 144,344.67 and 56,849.86

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Solution

The fourth proportional to 104,596.53, 144,344.67 and 56,849.86 is: 78,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,596.53 : 144,344.67 = 56,849.86 : x
  2. Step 2: Convert to fraction form
    104,596.53/144,344.67 = 56,849.86/x
  3. Step 3: Cross multiply
    104,596.53x = 144,344.67 × 56,849.86
  4. Step 4: Simplify right side
    104,596.53x = 8,205,974,248.49
  5. Step 5: Solve for x
    x = 8,205,974,248.49/104,596.53
  6. Step 6: Final answer
    x = 78,453.60

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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.