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Finding the Fourth Proportional to 318,476.72, 477,797.73 and 93,845.12

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Solution

The fourth proportional to 318,476.72, 477,797.73 and 93,845.12 is: 140,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,476.72 : 477,797.73 = 93,845.12 : x
  2. Step 2: Convert to fraction form
    318,476.72/477,797.73 = 93,845.12/x
  3. Step 3: Cross multiply
    318,476.72x = 477,797.73 × 93,845.12
  4. Step 4: Simplify right side
    318,476.72x = 44,838,985,307.58
  5. Step 5: Solve for x
    x = 44,838,985,307.58/318,476.72
  6. Step 6: Final answer
    x = 140,792.03

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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.