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Finding the Fourth Proportional to 197,019.01, 295,393.53 and 70,656.55

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Solution

The fourth proportional to 197,019.01, 295,393.53 and 70,656.55 is: 105,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,019.01 : 295,393.53 = 70,656.55 : x
  2. Step 2: Convert to fraction form
    197,019.01/295,393.53 = 70,656.55/x
  3. Step 3: Cross multiply
    197,019.01x = 295,393.53 × 70,656.55
  4. Step 4: Simplify right side
    197,019.01x = 20,871,487,722.12
  5. Step 5: Solve for x
    x = 20,871,487,722.12/197,019.01
  6. Step 6: Final answer
    x = 105,936.42

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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.