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Finding the Fourth Proportional to 197,140.80, 295,754.40 and 63,998.40

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Solution

The fourth proportional to 197,140.80, 295,754.40 and 63,998.40 is: 96,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,140.80 : 295,754.40 = 63,998.40 : x
  2. Step 2: Convert to fraction form
    197,140.80/295,754.40 = 63,998.40/x
  3. Step 3: Cross multiply
    197,140.80x = 295,754.40 × 63,998.40
  4. Step 4: Simplify right side
    197,140.80x = 18,927,808,392.96
  5. Step 5: Solve for x
    x = 18,927,808,392.96/197,140.80
  6. Step 6: Final answer
    x = 96,011.62

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1.5x scale

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.