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Finding the Fourth Proportional to 123,063, 184,612.32 and 38,794.68

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Solution

The fourth proportional to 123,063, 184,612.32 and 38,794.68 is: 58,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,063 : 184,612.32 = 38,794.68 : x
  2. Step 2: Convert to fraction form
    123,063/184,612.32 = 38,794.68/x
  3. Step 3: Cross multiply
    123,063x = 184,612.32 × 38,794.68
  4. Step 4: Simplify right side
    123,063x = 7,161,975,878.46
  5. Step 5: Solve for x
    x = 7,161,975,878.46/123,063
  6. Step 6: Final answer
    x = 58,197.64

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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.