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Finding the Fourth Proportional to 318,617.38, 477,925.44 and 94,135.48

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Solution

The fourth proportional to 318,617.38, 477,925.44 and 94,135.48 is: 141,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,617.38 : 477,925.44 = 94,135.48 : x
  2. Step 2: Convert to fraction form
    318,617.38/477,925.44 = 94,135.48/x
  3. Step 3: Cross multiply
    318,617.38x = 477,925.44 × 94,135.48
  4. Step 4: Simplify right side
    318,617.38x = 44,989,740,698.61
  5. Step 5: Solve for x
    x = 44,989,740,698.61/318,617.38
  6. Step 6: Final answer
    x = 141,203.03

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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.