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Finding the Fourth Proportional to 197,206.80, 295,810.20 and 162,214.80

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Solution

The fourth proportional to 197,206.80, 295,810.20 and 162,214.80 is: 243,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,206.80 : 295,810.20 = 162,214.80 : x
  2. Step 2: Convert to fraction form
    197,206.80/295,810.20 = 162,214.80/x
  3. Step 3: Cross multiply
    197,206.80x = 295,810.20 × 162,214.80
  4. Step 4: Simplify right side
    197,206.80x = 47,984,792,430.96
  5. Step 5: Solve for x
    x = 47,984,792,430.96/197,206.80
  6. Step 6: Final answer
    x = 243,322.20

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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.