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Finding the Fourth Proportional to 179,689.48, 269,534.22 and 100,859.08

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Solution

The fourth proportional to 179,689.48, 269,534.22 and 100,859.08 is: 151,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,689.48 : 269,534.22 = 100,859.08 : x
  2. Step 2: Convert to fraction form
    179,689.48/269,534.22 = 100,859.08/x
  3. Step 3: Cross multiply
    179,689.48x = 269,534.22 × 100,859.08
  4. Step 4: Simplify right side
    179,689.48x = 27,184,973,457.72
  5. Step 5: Solve for x
    x = 27,184,973,457.72/179,689.48
  6. Step 6: Final answer
    x = 151,288.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.