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Finding the Fourth Proportional to 219,450.86, 302,842.19 and 118,848.86

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Solution

The fourth proportional to 219,450.86, 302,842.19 and 118,848.86 is: 164,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,450.86 : 302,842.19 = 118,848.86 : x
  2. Step 2: Convert to fraction form
    219,450.86/302,842.19 = 118,848.86/x
  3. Step 3: Cross multiply
    219,450.86x = 302,842.19 × 118,848.86
  4. Step 4: Simplify right side
    219,450.86x = 35,992,448,406.44
  5. Step 5: Solve for x
    x = 35,992,448,406.44/219,450.86
  6. Step 6: Final answer
    x = 164,011.43

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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.