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Finding the Fourth Proportional to 319,135.38, 478,704.58 and 94,500.04

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Solution

The fourth proportional to 319,135.38, 478,704.58 and 94,500.04 is: 141,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,135.38 : 478,704.58 = 94,500.04 : x
  2. Step 2: Convert to fraction form
    319,135.38/478,704.58 = 94,500.04/x
  3. Step 3: Cross multiply
    319,135.38x = 478,704.58 × 94,500.04
  4. Step 4: Simplify right side
    319,135.38x = 45,237,601,958.18
  5. Step 5: Solve for x
    x = 45,237,601,958.18/319,135.38
  6. Step 6: Final answer
    x = 141,750.51

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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.