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Finding the Fourth Proportional to 197,293.40, 295,940.10 and 134,307.80

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Solution

The fourth proportional to 197,293.40, 295,940.10 and 134,307.80 is: 201,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,293.40 : 295,940.10 = 134,307.80 : x
  2. Step 2: Convert to fraction form
    197,293.40/295,940.10 = 134,307.80/x
  3. Step 3: Cross multiply
    197,293.40x = 295,940.10 × 134,307.80
  4. Step 4: Simplify right side
    197,293.40x = 39,747,063,762.78
  5. Step 5: Solve for x
    x = 39,747,063,762.78/197,293.40
  6. Step 6: Final answer
    x = 201,461.70

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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.