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Finding the Fourth Proportional to 76,603.79, 114,880.17 and 32,222.27

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Solution

The fourth proportional to 76,603.79, 114,880.17 and 32,222.27 is: 48,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,603.79 : 114,880.17 = 32,222.27 : x
  2. Step 2: Convert to fraction form
    76,603.79/114,880.17 = 32,222.27/x
  3. Step 3: Cross multiply
    76,603.79x = 114,880.17 × 32,222.27
  4. Step 4: Simplify right side
    76,603.79x = 3,701,699,855.39
  5. Step 5: Solve for x
    x = 3,701,699,855.39/76,603.79
  6. Step 6: Final answer
    x = 48,322.67

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1.5x scale

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.