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Finding the Fourth Proportional to 197,205.90, 295,468.65 and 91,808.70

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Solution

The fourth proportional to 197,205.90, 295,468.65 and 91,808.70 is: 137,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,205.90 : 295,468.65 = 91,808.70 : x
  2. Step 2: Convert to fraction form
    197,205.90/295,468.65 = 91,808.70/x
  3. Step 3: Cross multiply
    197,205.90x = 295,468.65 × 91,808.70
  4. Step 4: Simplify right side
    197,205.90x = 27,126,592,647.26
  5. Step 5: Solve for x
    x = 27,126,592,647.26/197,205.90
  6. Step 6: Final answer
    x = 137,554.67

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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.