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Finding the Fourth Proportional to 235,220.36, 324,580.67 and 133,225.46

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Solution

The fourth proportional to 235,220.36, 324,580.67 and 133,225.46 is: 183,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,220.36 : 324,580.67 = 133,225.46 : x
  2. Step 2: Convert to fraction form
    235,220.36/324,580.67 = 133,225.46/x
  3. Step 3: Cross multiply
    235,220.36x = 324,580.67 × 133,225.46
  4. Step 4: Simplify right side
    235,220.36x = 43,242,408,495.60
  5. Step 5: Solve for x
    x = 43,242,408,495.60/235,220.36
  6. Step 6: Final answer
    x = 183,837.87

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1.5x scale

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.