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Finding the Fourth Proportional to 197,057.16, 295,509.42 and 63,905.40

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Solution

The fourth proportional to 197,057.16, 295,509.42 and 63,905.40 is: 95,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,057.16 : 295,509.42 = 63,905.40 : x
  2. Step 2: Convert to fraction form
    197,057.16/295,509.42 = 63,905.40/x
  3. Step 3: Cross multiply
    197,057.16x = 295,509.42 × 63,905.40
  4. Step 4: Simplify right side
    197,057.16x = 18,884,647,688.87
  5. Step 5: Solve for x
    x = 18,884,647,688.87/197,057.16
  6. Step 6: Final answer
    x = 95,833.35

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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.