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Finding the Fourth Proportional to 187,393.19, 258,687.02 and 119,501.42

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Solution

The fourth proportional to 187,393.19, 258,687.02 and 119,501.42 is: 164,965.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,393.19 : 258,687.02 = 119,501.42 : x
  2. Step 2: Convert to fraction form
    187,393.19/258,687.02 = 119,501.42/x
  3. Step 3: Cross multiply
    187,393.19x = 258,687.02 × 119,501.42
  4. Step 4: Simplify right side
    187,393.19x = 30,913,464,334.63
  5. Step 5: Solve for x
    x = 30,913,464,334.63/187,393.19
  6. Step 6: Final answer
    x = 164,965.79

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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.