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Finding the Fourth Proportional to 187,574.50, 281,406.50 and 61,214.98

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Solution

The fourth proportional to 187,574.50, 281,406.50 and 61,214.98 is: 91,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,574.50 : 281,406.50 = 61,214.98 : x
  2. Step 2: Convert to fraction form
    187,574.50/281,406.50 = 61,214.98/x
  3. Step 3: Cross multiply
    187,574.50x = 281,406.50 × 61,214.98
  4. Step 4: Simplify right side
    187,574.50x = 17,226,293,269.37
  5. Step 5: Solve for x
    x = 17,226,293,269.37/187,574.50
  6. Step 6: Final answer
    x = 91,837.07

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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.