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Finding the Fourth Proportional to 219,965.44, 330,072.96 and 118,762.13

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Solution

The fourth proportional to 219,965.44, 330,072.96 and 118,762.13 is: 178,210.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,965.44 : 330,072.96 = 118,762.13 : x
  2. Step 2: Convert to fraction form
    219,965.44/330,072.96 = 118,762.13/x
  3. Step 3: Cross multiply
    219,965.44x = 330,072.96 × 118,762.13
  4. Step 4: Simplify right side
    219,965.44x = 39,200,167,785.00
  5. Step 5: Solve for x
    x = 39,200,167,785.00/219,965.44
  6. Step 6: Final answer
    x = 178,210.58

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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.