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Finding the Fourth Proportional to 187,762.21, 259,111.52 and 101,723.37

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Solution

The fourth proportional to 187,762.21, 259,111.52 and 101,723.37 is: 140,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,762.21 : 259,111.52 = 101,723.37 : x
  2. Step 2: Convert to fraction form
    187,762.21/259,111.52 = 101,723.37/x
  3. Step 3: Cross multiply
    187,762.21x = 259,111.52 × 101,723.37
  4. Step 4: Simplify right side
    187,762.21x = 26,357,696,493.59
  5. Step 5: Solve for x
    x = 26,357,696,493.59/187,762.21
  6. Step 6: Final answer
    x = 140,378.07

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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.