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Finding the Fourth Proportional to 104,674.95, 144,449.82 and 56,927.19

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Solution

The fourth proportional to 104,674.95, 144,449.82 and 56,927.19 is: 78,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,674.95 : 144,449.82 = 56,927.19 : x
  2. Step 2: Convert to fraction form
    104,674.95/144,449.82 = 56,927.19/x
  3. Step 3: Cross multiply
    104,674.95x = 144,449.82 × 56,927.19
  4. Step 4: Simplify right side
    104,674.95x = 8,223,122,348.61
  5. Step 5: Solve for x
    x = 8,223,122,348.61/104,674.95
  6. Step 6: Final answer
    x = 78,558.65

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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.