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Finding the Fourth Proportional to 311,029.66, 466,266.66 and 121,445.92

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Solution

The fourth proportional to 311,029.66, 466,266.66 and 121,445.92 is: 182,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,029.66 : 466,266.66 = 121,445.92 : x
  2. Step 2: Convert to fraction form
    311,029.66/466,266.66 = 121,445.92/x
  3. Step 3: Cross multiply
    311,029.66x = 466,266.66 × 121,445.92
  4. Step 4: Simplify right side
    311,029.66x = 56,626,183,489.03
  5. Step 5: Solve for x
    x = 56,626,183,489.03/311,029.66
  6. Step 6: Final answer
    x = 182,060.40

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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.