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Finding the Fourth Proportional to 316,072.92, 436,181.04 and 180,100.92

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Solution

The fourth proportional to 316,072.92, 436,181.04 and 180,100.92 is: 248,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,072.92 : 436,181.04 = 180,100.92 : x
  2. Step 2: Convert to fraction form
    316,072.92/436,181.04 = 180,100.92/x
  3. Step 3: Cross multiply
    316,072.92x = 436,181.04 × 180,100.92
  4. Step 4: Simplify right side
    316,072.92x = 78,556,606,590.56
  5. Step 5: Solve for x
    x = 78,556,606,590.56/316,072.92
  6. Step 6: Final answer
    x = 248,539.50

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1.5x scale

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.