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Finding the Fourth Proportional to 133,774.53, 184,582.86 and 79,316.64

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Solution

The fourth proportional to 133,774.53, 184,582.86 and 79,316.64 is: 109,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,774.53 : 184,582.86 = 79,316.64 : x
  2. Step 2: Convert to fraction form
    133,774.53/184,582.86 = 79,316.64/x
  3. Step 3: Cross multiply
    133,774.53x = 184,582.86 × 79,316.64
  4. Step 4: Simplify right side
    133,774.53x = 14,640,492,256.79
  5. Step 5: Solve for x
    x = 14,640,492,256.79/133,774.53
  6. Step 6: Final answer
    x = 109,441.55

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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.