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Finding the Fourth Proportional to 187,303.82, 258,473.49 and 114,734.30

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Solution

The fourth proportional to 187,303.82, 258,473.49 and 114,734.30 is: 158,329.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,303.82 : 258,473.49 = 114,734.30 : x
  2. Step 2: Convert to fraction form
    187,303.82/258,473.49 = 114,734.30/x
  3. Step 3: Cross multiply
    187,303.82x = 258,473.49 × 114,734.30
  4. Step 4: Simplify right side
    187,303.82x = 29,655,773,651.34
  5. Step 5: Solve for x
    x = 29,655,773,651.34/187,303.82
  6. Step 6: Final answer
    x = 158,329.79

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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.