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Finding the Fourth Proportional to 104,493.16, 144,209.48 and 59,179.08

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Solution

The fourth proportional to 104,493.16, 144,209.48 and 59,179.08 is: 81,672.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,493.16 : 144,209.48 = 59,179.08 : x
  2. Step 2: Convert to fraction form
    104,493.16/144,209.48 = 59,179.08/x
  3. Step 3: Cross multiply
    104,493.16x = 144,209.48 × 59,179.08
  4. Step 4: Simplify right side
    104,493.16x = 8,534,184,353.68
  5. Step 5: Solve for x
    x = 8,534,184,353.68/104,493.16
  6. Step 6: Final answer
    x = 81,672.18

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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.