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Finding the Fourth Proportional to 208,362.60, 312,423.21 and 183,452.67

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Solution

The fourth proportional to 208,362.60, 312,423.21 and 183,452.67 is: 275,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,362.60 : 312,423.21 = 183,452.67 : x
  2. Step 2: Convert to fraction form
    208,362.60/312,423.21 = 183,452.67/x
  3. Step 3: Cross multiply
    208,362.60x = 312,423.21 × 183,452.67
  4. Step 4: Simplify right side
    208,362.60x = 57,314,872,044.47
  5. Step 5: Solve for x
    x = 57,314,872,044.47/208,362.60
  6. Step 6: Final answer
    x = 275,072.74

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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.