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Finding the Fourth Proportional to 319,180.54, 478,840.82 and 94,558.53

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Solution

The fourth proportional to 319,180.54, 478,840.82 and 94,558.53 is: 141,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,180.54 : 478,840.82 = 94,558.53 : x
  2. Step 2: Convert to fraction form
    319,180.54/478,840.82 = 94,558.53/x
  3. Step 3: Cross multiply
    319,180.54x = 478,840.82 × 94,558.53
  4. Step 4: Simplify right side
    319,180.54x = 45,278,483,570.40
  5. Step 5: Solve for x
    x = 45,278,483,570.40/319,180.54
  6. Step 6: Final answer
    x = 141,858.54

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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.