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Finding the Fourth Proportional to 318,733.68, 477,989.07 and 94,034.46

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Solution

The fourth proportional to 318,733.68, 477,989.07 and 94,034.46 is: 141,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,733.68 : 477,989.07 = 94,034.46 : x
  2. Step 2: Convert to fraction form
    318,733.68/477,989.07 = 94,034.46/x
  3. Step 3: Cross multiply
    318,733.68x = 477,989.07 × 94,034.46
  4. Step 4: Simplify right side
    318,733.68x = 44,947,444,083.35
  5. Step 5: Solve for x
    x = 44,947,444,083.35/318,733.68
  6. Step 6: Final answer
    x = 141,018.81

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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.