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Finding the Fourth Proportional to 333,972.70, 501,019.80 and 109,270.60

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Solution

The fourth proportional to 333,972.70, 501,019.80 and 109,270.60 is: 163,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,972.70 : 501,019.80 = 109,270.60 : x
  2. Step 2: Convert to fraction form
    333,972.70/501,019.80 = 109,270.60/x
  3. Step 3: Cross multiply
    333,972.70x = 501,019.80 × 109,270.60
  4. Step 4: Simplify right side
    333,972.70x = 54,746,734,157.88
  5. Step 5: Solve for x
    x = 54,746,734,157.88/333,972.70
  6. Step 6: Final answer
    x = 163,925.78

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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.