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Finding the Fourth Proportional to 176,914.62, 265,302.81 and 78,349.50

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Solution

The fourth proportional to 176,914.62, 265,302.81 and 78,349.50 is: 117,493.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,914.62 : 265,302.81 = 78,349.50 : x
  2. Step 2: Convert to fraction form
    176,914.62/265,302.81 = 78,349.50/x
  3. Step 3: Cross multiply
    176,914.62x = 265,302.81 × 78,349.50
  4. Step 4: Simplify right side
    176,914.62x = 20,786,342,512.10
  5. Step 5: Solve for x
    x = 20,786,342,512.10/176,914.62
  6. Step 6: Final answer
    x = 117,493.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.