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Finding the Fourth Proportional to 133,670.66, 184,463.12 and 79,259.47

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Solution

The fourth proportional to 133,670.66, 184,463.12 and 79,259.47 is: 109,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,670.66 : 184,463.12 = 79,259.47 : x
  2. Step 2: Convert to fraction form
    133,670.66/184,463.12 = 79,259.47/x
  3. Step 3: Cross multiply
    133,670.66x = 184,463.12 × 79,259.47
  4. Step 4: Simplify right side
    133,670.66x = 14,620,448,862.74
  5. Step 5: Solve for x
    x = 14,620,448,862.74/133,670.66
  6. Step 6: Final answer
    x = 109,376.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.