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Finding the Fourth Proportional to 192,304.74, 288,453.96 and 74,001.72

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Solution

The fourth proportional to 192,304.74, 288,453.96 and 74,001.72 is: 111,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,304.74 : 288,453.96 = 74,001.72 : x
  2. Step 2: Convert to fraction form
    192,304.74/288,453.96 = 74,001.72/x
  3. Step 3: Cross multiply
    192,304.74x = 288,453.96 × 74,001.72
  4. Step 4: Simplify right side
    192,304.74x = 21,346,089,180.81
  5. Step 5: Solve for x
    x = 21,346,089,180.81/192,304.74
  6. Step 6: Final answer
    x = 111,001.37

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1.5x scale

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.