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Finding the Fourth Proportional to 227,711.70, 341,567.55 and 202,123.80

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Solution

The fourth proportional to 227,711.70, 341,567.55 and 202,123.80 is: 303,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,711.70 : 341,567.55 = 202,123.80 : x
  2. Step 2: Convert to fraction form
    227,711.70/341,567.55 = 202,123.80/x
  3. Step 3: Cross multiply
    227,711.70x = 341,567.55 × 202,123.80
  4. Step 4: Simplify right side
    227,711.70x = 69,038,931,162.69
  5. Step 5: Solve for x
    x = 69,038,931,162.69/227,711.70
  6. Step 6: Final answer
    x = 303,185.70

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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.