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Finding the Fourth Proportional to 201,118.69, 301,677.99 and 51,353.67

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Solution

The fourth proportional to 201,118.69, 301,677.99 and 51,353.67 is: 77,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,118.69 : 301,677.99 = 51,353.67 : x
  2. Step 2: Convert to fraction form
    201,118.69/301,677.99 = 51,353.67/x
  3. Step 3: Cross multiply
    201,118.69x = 301,677.99 × 51,353.67
  4. Step 4: Simplify right side
    201,118.69x = 15,492,271,944.72
  5. Step 5: Solve for x
    x = 15,492,271,944.72/201,118.69
  6. Step 6: Final answer
    x = 77,030.49

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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.