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Finding the Fourth Proportional to 311,322.93, 466,672.59 and 121,522.32

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Solution

The fourth proportional to 311,322.93, 466,672.59 and 121,522.32 is: 182,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,322.93 : 466,672.59 = 121,522.32 : x
  2. Step 2: Convert to fraction form
    311,322.93/466,672.59 = 121,522.32/x
  3. Step 3: Cross multiply
    311,322.93x = 466,672.59 × 121,522.32
  4. Step 4: Simplify right side
    311,322.93x = 56,711,135,817.21
  5. Step 5: Solve for x
    x = 56,711,135,817.21/311,322.93
  6. Step 6: Final answer
    x = 182,161.77

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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.