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Finding the Fourth Proportional to 318,785.14, 478,101.03 and 94,084.93

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Solution

The fourth proportional to 318,785.14, 478,101.03 and 94,084.93 is: 141,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,785.14 : 478,101.03 = 94,084.93 : x
  2. Step 2: Convert to fraction form
    318,785.14/478,101.03 = 94,084.93/x
  3. Step 3: Cross multiply
    318,785.14x = 478,101.03 × 94,084.93
  4. Step 4: Simplify right side
    318,785.14x = 44,982,101,940.48
  5. Step 5: Solve for x
    x = 44,982,101,940.48/318,785.14
  6. Step 6: Final answer
    x = 141,104.76

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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.