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Finding the Fourth Proportional to 104,809.94, 144,674.16 and 62,367.56

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Solution

The fourth proportional to 104,809.94, 144,674.16 and 62,367.56 is: 86,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,809.94 : 144,674.16 = 62,367.56 : x
  2. Step 2: Convert to fraction form
    104,809.94/144,674.16 = 62,367.56/x
  3. Step 3: Cross multiply
    104,809.94x = 144,674.16 × 62,367.56
  4. Step 4: Simplify right side
    104,809.94x = 9,022,974,354.25
  5. Step 5: Solve for x
    x = 9,022,974,354.25/104,809.94
  6. Step 6: Final answer
    x = 86,088.92

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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.