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Finding the Fourth Proportional to 79,615.95, 119,443.97 and 29,697.67

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Solution

The fourth proportional to 79,615.95, 119,443.97 and 29,697.67 is: 44,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,615.95 : 119,443.97 = 29,697.67 : x
  2. Step 2: Convert to fraction form
    79,615.95/119,443.97 = 29,697.67/x
  3. Step 3: Cross multiply
    79,615.95x = 119,443.97 × 29,697.67
  4. Step 4: Simplify right side
    79,615.95x = 3,547,207,604.55
  5. Step 5: Solve for x
    x = 3,547,207,604.55/79,615.95
  6. Step 6: Final answer
    x = 44,553.98

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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.