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Finding the Fourth Proportional to 133,685.34, 184,468.23 and 79,950.75

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Solution

The fourth proportional to 133,685.34, 184,468.23 and 79,950.75 is: 110,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,685.34 : 184,468.23 = 79,950.75 : x
  2. Step 2: Convert to fraction form
    133,685.34/184,468.23 = 79,950.75/x
  3. Step 3: Cross multiply
    133,685.34x = 184,468.23 × 79,950.75
  4. Step 4: Simplify right side
    133,685.34x = 14,748,373,339.67
  5. Step 5: Solve for x
    x = 14,748,373,339.67/133,685.34
  6. Step 6: Final answer
    x = 110,321.55

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1.5x scale

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.