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Finding the Fourth Proportional to 70,995.17, 97,980.20 and 53,059.04

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Solution

The fourth proportional to 70,995.17, 97,980.20 and 53,059.04 is: 73,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,995.17 : 97,980.20 = 53,059.04 : x
  2. Step 2: Convert to fraction form
    70,995.17/97,980.20 = 53,059.04/x
  3. Step 3: Cross multiply
    70,995.17x = 97,980.20 × 53,059.04
  4. Step 4: Simplify right side
    70,995.17x = 5,198,735,351.01
  5. Step 5: Solve for x
    x = 5,198,735,351.01/70,995.17
  6. Step 6: Final answer
    x = 73,226.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.