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Finding the Fourth Proportional to 123,670.60, 185,520.69 and 43,692.01

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Solution

The fourth proportional to 123,670.60, 185,520.69 and 43,692.01 is: 65,543.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,670.60 : 185,520.69 = 43,692.01 : x
  2. Step 2: Convert to fraction form
    123,670.60/185,520.69 = 43,692.01/x
  3. Step 3: Cross multiply
    123,670.60x = 185,520.69 × 43,692.01
  4. Step 4: Simplify right side
    123,670.60x = 8,105,771,842.69
  5. Step 5: Solve for x
    x = 8,105,771,842.69/123,670.60
  6. Step 6: Final answer
    x = 65,543.24

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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.