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Finding the Fourth Proportional to 74,491.71, 111,674.58 and 32,339.98

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Solution

The fourth proportional to 74,491.71, 111,674.58 and 32,339.98 is: 48,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,491.71 : 111,674.58 = 32,339.98 : x
  2. Step 2: Convert to fraction form
    74,491.71/111,674.58 = 32,339.98/x
  3. Step 3: Cross multiply
    74,491.71x = 111,674.58 × 32,339.98
  4. Step 4: Simplify right side
    74,491.71x = 3,611,553,683.71
  5. Step 5: Solve for x
    x = 3,611,553,683.71/74,491.71
  6. Step 6: Final answer
    x = 48,482.63

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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.