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Finding the Fourth Proportional to 231,224.40, 346,901.40 and 112,899.60

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Solution

The fourth proportional to 231,224.40, 346,901.40 and 112,899.60 is: 169,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,224.40 : 346,901.40 = 112,899.60 : x
  2. Step 2: Convert to fraction form
    231,224.40/346,901.40 = 112,899.60/x
  3. Step 3: Cross multiply
    231,224.40x = 346,901.40 × 112,899.60
  4. Step 4: Simplify right side
    231,224.40x = 39,165,029,299.44
  5. Step 5: Solve for x
    x = 39,165,029,299.44/231,224.40
  6. Step 6: Final answer
    x = 169,381.04

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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.