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Finding the Fourth Proportional to 306,576.18, 459,933.48 and 93,363.18

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Solution

The fourth proportional to 306,576.18, 459,933.48 and 93,363.18 is: 140,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,576.18 : 459,933.48 = 93,363.18 : x
  2. Step 2: Convert to fraction form
    306,576.18/459,933.48 = 93,363.18/x
  3. Step 3: Cross multiply
    306,576.18x = 459,933.48 × 93,363.18
  4. Step 4: Simplify right side
    306,576.18x = 42,940,852,281.27
  5. Step 5: Solve for x
    x = 42,940,852,281.27/306,576.18
  6. Step 6: Final answer
    x = 140,065.85

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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.