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Finding the Fourth Proportional to 241,353.36, 333,072.96 and 133,920

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Solution

The fourth proportional to 241,353.36, 333,072.96 and 133,920 is: 184,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,353.36 : 333,072.96 = 133,920 : x
  2. Step 2: Convert to fraction form
    241,353.36/333,072.96 = 133,920/x
  3. Step 3: Cross multiply
    241,353.36x = 333,072.96 × 133,920
  4. Step 4: Simplify right side
    241,353.36x = 44,605,130,803.20
  5. Step 5: Solve for x
    x = 44,605,130,803.20/241,353.36
  6. Step 6: Final answer
    x = 184,812.55

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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.