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Finding the Fourth Proportional to 311,445.36, 466,872.48 and 100,935.36

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Solution

The fourth proportional to 311,445.36, 466,872.48 and 100,935.36 is: 151,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,445.36 : 466,872.48 = 100,935.36 : x
  2. Step 2: Convert to fraction form
    311,445.36/466,872.48 = 100,935.36/x
  3. Step 3: Cross multiply
    311,445.36x = 466,872.48 × 100,935.36
  4. Step 4: Simplify right side
    311,445.36x = 47,123,941,842.89
  5. Step 5: Solve for x
    x = 47,123,941,842.89/311,445.36
  6. Step 6: Final answer
    x = 151,307.25

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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.