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Finding the Fourth Proportional to 123,658.03, 185,362.43 and 48,749.18

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Solution

The fourth proportional to 123,658.03, 185,362.43 and 48,749.18 is: 73,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,658.03 : 185,362.43 = 48,749.18 : x
  2. Step 2: Convert to fraction form
    123,658.03/185,362.43 = 48,749.18/x
  3. Step 3: Cross multiply
    123,658.03x = 185,362.43 × 48,749.18
  4. Step 4: Simplify right side
    123,658.03x = 9,036,265,294.75
  5. Step 5: Solve for x
    x = 9,036,265,294.75/123,658.03
  6. Step 6: Final answer
    x = 73,074.64

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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.