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Finding the Fourth Proportional to 197,391, 295,998.60 and 62,421.60

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Solution

The fourth proportional to 197,391, 295,998.60 and 62,421.60 is: 93,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,391 : 295,998.60 = 62,421.60 : x
  2. Step 2: Convert to fraction form
    197,391/295,998.60 = 62,421.60/x
  3. Step 3: Cross multiply
    197,391x = 295,998.60 × 62,421.60
  4. Step 4: Simplify right side
    197,391x = 18,476,706,209.76
  5. Step 5: Solve for x
    x = 18,476,706,209.76/197,391
  6. Step 6: Final answer
    x = 93,604.60

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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.