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Finding the Fourth Proportional to 133,446.78, 184,199.42 and 88,164.95

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Solution

The fourth proportional to 133,446.78, 184,199.42 and 88,164.95 is: 121,695.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,446.78 : 184,199.42 = 88,164.95 : x
  2. Step 2: Convert to fraction form
    133,446.78/184,199.42 = 88,164.95/x
  3. Step 3: Cross multiply
    133,446.78x = 184,199.42 × 88,164.95
  4. Step 4: Simplify right side
    133,446.78x = 16,239,931,292.51
  5. Step 5: Solve for x
    x = 16,239,931,292.51/133,446.78
  6. Step 6: Final answer
    x = 121,695.94

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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.