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Finding the Fourth Proportional to 213,362.76, 320,201.62 and 101,042.76

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Solution

The fourth proportional to 213,362.76, 320,201.62 and 101,042.76 is: 151,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,362.76 : 320,201.62 = 101,042.76 : x
  2. Step 2: Convert to fraction form
    213,362.76/320,201.62 = 101,042.76/x
  3. Step 3: Cross multiply
    213,362.76x = 320,201.62 × 101,042.76
  4. Step 4: Simplify right side
    213,362.76x = 32,354,055,441.27
  5. Step 5: Solve for x
    x = 32,354,055,441.27/213,362.76
  6. Step 6: Final answer
    x = 151,638.72

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1.5x scale

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.