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Finding the Fourth Proportional to 311,148.97, 466,795.65 and 97,911.35

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Solution

The fourth proportional to 311,148.97, 466,795.65 and 97,911.35 is: 146,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,148.97 : 466,795.65 = 97,911.35 : x
  2. Step 2: Convert to fraction form
    311,148.97/466,795.65 = 97,911.35/x
  3. Step 3: Cross multiply
    311,148.97x = 466,795.65 × 97,911.35
  4. Step 4: Simplify right side
    311,148.97x = 45,704,592,265.63
  5. Step 5: Solve for x
    x = 45,704,592,265.63/311,148.97
  6. Step 6: Final answer
    x = 146,889.74

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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.