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Finding the Fourth Proportional to 219,494.86, 302,898.48 and 122,698.24

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Solution

The fourth proportional to 219,494.86, 302,898.48 and 122,698.24 is: 169,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,494.86 : 302,898.48 = 122,698.24 : x
  2. Step 2: Convert to fraction form
    219,494.86/302,898.48 = 122,698.24/x
  3. Step 3: Cross multiply
    219,494.86x = 302,898.48 × 122,698.24
  4. Step 4: Simplify right side
    219,494.86x = 37,165,110,394.68
  5. Step 5: Solve for x
    x = 37,165,110,394.68/219,494.86
  6. Step 6: Final answer
    x = 169,321.10

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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.