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Finding the Fourth Proportional to 319,225.53, 478,843.02 and 94,608.75

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Solution

The fourth proportional to 319,225.53, 478,843.02 and 94,608.75 is: 141,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,225.53 : 478,843.02 = 94,608.75 : x
  2. Step 2: Convert to fraction form
    319,225.53/478,843.02 = 94,608.75/x
  3. Step 3: Cross multiply
    319,225.53x = 478,843.02 × 94,608.75
  4. Step 4: Simplify right side
    319,225.53x = 45,302,739,568.43
  5. Step 5: Solve for x
    x = 45,302,739,568.43/319,225.53
  6. Step 6: Final answer
    x = 141,914.53

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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.