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Finding the Fourth Proportional to 123,296.45, 184,929.08 and 39,065.15

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Solution

The fourth proportional to 123,296.45, 184,929.08 and 39,065.15 is: 58,592.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,296.45 : 184,929.08 = 39,065.15 : x
  2. Step 2: Convert to fraction form
    123,296.45/184,929.08 = 39,065.15/x
  3. Step 3: Cross multiply
    123,296.45x = 184,929.08 × 39,065.15
  4. Step 4: Simplify right side
    123,296.45x = 7,224,282,809.55
  5. Step 5: Solve for x
    x = 7,224,282,809.55/123,296.45
  6. Step 6: Final answer
    x = 58,592.79

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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.