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Finding the Fourth Proportional to 166,842.22, 230,246.94 and 101,430.94

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Solution

The fourth proportional to 166,842.22, 230,246.94 and 101,430.94 is: 139,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,842.22 : 230,246.94 = 101,430.94 : x
  2. Step 2: Convert to fraction form
    166,842.22/230,246.94 = 101,430.94/x
  3. Step 3: Cross multiply
    166,842.22x = 230,246.94 × 101,430.94
  4. Step 4: Simplify right side
    166,842.22x = 23,354,163,556.32
  5. Step 5: Solve for x
    x = 23,354,163,556.32/166,842.22
  6. Step 6: Final answer
    x = 139,977.54

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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.