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Finding the Fourth Proportional to 318,717.18, 477,964.34 and 94,017.95

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Solution

The fourth proportional to 318,717.18, 477,964.34 and 94,017.95 is: 140,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,717.18 : 477,964.34 = 94,017.95 : x
  2. Step 2: Convert to fraction form
    318,717.18/477,964.34 = 94,017.95/x
  3. Step 3: Cross multiply
    318,717.18x = 477,964.34 × 94,017.95
  4. Step 4: Simplify right side
    318,717.18x = 44,937,224,559.99
  5. Step 5: Solve for x
    x = 44,937,224,559.99/318,717.18
  6. Step 6: Final answer
    x = 140,994.05

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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.