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Finding the Fourth Proportional to 187,595.92, 281,363.48 and 69,322.96

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Solution

The fourth proportional to 187,595.92, 281,363.48 and 69,322.96 is: 103,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,595.92 : 281,363.48 = 69,322.96 : x
  2. Step 2: Convert to fraction form
    187,595.92/281,363.48 = 69,322.96/x
  3. Step 3: Cross multiply
    187,595.92x = 281,363.48 × 69,322.96
  4. Step 4: Simplify right side
    187,595.92x = 19,504,949,269.50
  5. Step 5: Solve for x
    x = 19,504,949,269.50/187,595.92
  6. Step 6: Final answer
    x = 103,973.21

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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.