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Finding the Fourth Proportional to 186,351.50, 279,541.84 and 61,692.50

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Solution

The fourth proportional to 186,351.50, 279,541.84 and 61,692.50 is: 92,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,351.50 : 279,541.84 = 61,692.50 : x
  2. Step 2: Convert to fraction form
    186,351.50/279,541.84 = 61,692.50/x
  3. Step 3: Cross multiply
    186,351.50x = 279,541.84 × 61,692.50
  4. Step 4: Simplify right side
    186,351.50x = 17,245,634,964.20
  5. Step 5: Solve for x
    x = 17,245,634,964.20/186,351.50
  6. Step 6: Final answer
    x = 92,543.58

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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.