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Finding the Fourth Proportional to 249,450.66, 373,942.71 and 91,636.74

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Solution

The fourth proportional to 249,450.66, 373,942.71 and 91,636.74 is: 137,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,450.66 : 373,942.71 = 91,636.74 : x
  2. Step 2: Convert to fraction form
    249,450.66/373,942.71 = 91,636.74/x
  3. Step 3: Cross multiply
    249,450.66x = 373,942.71 × 91,636.74
  4. Step 4: Simplify right side
    249,450.66x = 34,266,890,891.17
  5. Step 5: Solve for x
    x = 34,266,890,891.17/249,450.66
  6. Step 6: Final answer
    x = 137,369.41

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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.