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Finding the Fourth Proportional to 79,466.34, 119,082.87 and 39,969.12

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Solution

The fourth proportional to 79,466.34, 119,082.87 and 39,969.12 is: 59,895.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,466.34 : 119,082.87 = 39,969.12 : x
  2. Step 2: Convert to fraction form
    79,466.34/119,082.87 = 39,969.12/x
  3. Step 3: Cross multiply
    79,466.34x = 119,082.87 × 39,969.12
  4. Step 4: Simplify right side
    79,466.34x = 4,759,637,520.97
  5. Step 5: Solve for x
    x = 4,759,637,520.97/79,466.34
  6. Step 6: Final answer
    x = 59,895.01

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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.