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Finding the Fourth Proportional to 318,671.82, 478,020.92 and 94,032.25

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Solution

The fourth proportional to 318,671.82, 478,020.92 and 94,032.25 is: 141,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,671.82 : 478,020.92 = 94,032.25 : x
  2. Step 2: Convert to fraction form
    318,671.82/478,020.92 = 94,032.25/x
  3. Step 3: Cross multiply
    318,671.82x = 478,020.92 × 94,032.25
  4. Step 4: Simplify right side
    318,671.82x = 44,949,379,794.40
  5. Step 5: Solve for x
    x = 44,949,379,794.40/318,671.82
  6. Step 6: Final answer
    x = 141,052.26

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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.