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Finding the Fourth Proportional to 197,205.40, 295,808.10 and 70,845.40

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Solution

The fourth proportional to 197,205.40, 295,808.10 and 70,845.40 is: 106,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,205.40 : 295,808.10 = 70,845.40 : x
  2. Step 2: Convert to fraction form
    197,205.40/295,808.10 = 70,845.40/x
  3. Step 3: Cross multiply
    197,205.40x = 295,808.10 × 70,845.40
  4. Step 4: Simplify right side
    197,205.40x = 20,956,643,167.74
  5. Step 5: Solve for x
    x = 20,956,643,167.74/197,205.40
  6. Step 6: Final answer
    x = 106,268.10

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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.