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Finding the Fourth Proportional to 317,162.76, 475,916.40 and 184,138.64

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Solution

The fourth proportional to 317,162.76, 475,916.40 and 184,138.64 is: 276,307.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,162.76 : 475,916.40 = 184,138.64 : x
  2. Step 2: Convert to fraction form
    317,162.76/475,916.40 = 184,138.64/x
  3. Step 3: Cross multiply
    317,162.76x = 475,916.40 × 184,138.64
  4. Step 4: Simplify right side
    317,162.76x = 87,634,598,649.70
  5. Step 5: Solve for x
    x = 87,634,598,649.70/317,162.76
  6. Step 6: Final answer
    x = 276,307.97

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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.