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Finding the Fourth Proportional to 333,957.12, 501,012.48 and 109,324.80

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Solution

The fourth proportional to 333,957.12, 501,012.48 and 109,324.80 is: 164,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,957.12 : 501,012.48 = 109,324.80 : x
  2. Step 2: Convert to fraction form
    333,957.12/501,012.48 = 109,324.80/x
  3. Step 3: Cross multiply
    333,957.12x = 501,012.48 × 109,324.80
  4. Step 4: Simplify right side
    333,957.12x = 54,773,089,173.50
  5. Step 5: Solve for x
    x = 54,773,089,173.50/333,957.12
  6. Step 6: Final answer
    x = 164,012.34

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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.