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Finding the Fourth Proportional to 187,765.59, 281,692.69 and 61,405.34

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Solution

The fourth proportional to 187,765.59, 281,692.69 and 61,405.34 is: 92,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,765.59 : 281,692.69 = 61,405.34 : x
  2. Step 2: Convert to fraction form
    187,765.59/281,692.69 = 61,405.34/x
  3. Step 3: Cross multiply
    187,765.59x = 281,692.69 × 61,405.34
  4. Step 4: Simplify right side
    187,765.59x = 17,297,435,427.51
  5. Step 5: Solve for x
    x = 17,297,435,427.51/187,765.59
  6. Step 6: Final answer
    x = 92,122.50

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1.5x scale

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.