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Finding the Fourth Proportional to 133,867.76, 184,735.76 and 76,506.53

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Solution

The fourth proportional to 133,867.76, 184,735.76 and 76,506.53 is: 105,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,867.76 : 184,735.76 = 76,506.53 : x
  2. Step 2: Convert to fraction form
    133,867.76/184,735.76 = 76,506.53/x
  3. Step 3: Cross multiply
    133,867.76x = 184,735.76 × 76,506.53
  4. Step 4: Simplify right side
    133,867.76x = 14,133,490,658.30
  5. Step 5: Solve for x
    x = 14,133,490,658.30/133,867.76
  6. Step 6: Final answer
    x = 105,578.01

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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.