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Finding the Fourth Proportional to 184,502.51, 276,859.01 and 72,191.87

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Solution

The fourth proportional to 184,502.51, 276,859.01 and 72,191.87 is: 108,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,502.51 : 276,859.01 = 72,191.87 : x
  2. Step 2: Convert to fraction form
    184,502.51/276,859.01 = 72,191.87/x
  3. Step 3: Cross multiply
    184,502.51x = 276,859.01 × 72,191.87
  4. Step 4: Simplify right side
    184,502.51x = 19,986,969,297.29
  5. Step 5: Solve for x
    x = 19,986,969,297.29/184,502.51
  6. Step 6: Final answer
    x = 108,328.98

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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.