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Finding the Fourth Proportional to 82,401.30, 123,601.95 and 29,798.48

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Solution

The fourth proportional to 82,401.30, 123,601.95 and 29,798.48 is: 44,697.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,401.30 : 123,601.95 = 29,798.48 : x
  2. Step 2: Convert to fraction form
    82,401.30/123,601.95 = 29,798.48/x
  3. Step 3: Cross multiply
    82,401.30x = 123,601.95 × 29,798.48
  4. Step 4: Simplify right side
    82,401.30x = 3,683,150,544.04
  5. Step 5: Solve for x
    x = 3,683,150,544.04/82,401.30
  6. Step 6: Final answer
    x = 44,697.72

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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.