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Finding the Fourth Proportional to 219,382.13, 329,073.19 and 53,170.13

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Solution

The fourth proportional to 219,382.13, 329,073.19 and 53,170.13 is: 79,755.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,382.13 : 329,073.19 = 53,170.13 : x
  2. Step 2: Convert to fraction form
    219,382.13/329,073.19 = 53,170.13/x
  3. Step 3: Cross multiply
    219,382.13x = 329,073.19 × 53,170.13
  4. Step 4: Simplify right side
    219,382.13x = 17,496,862,513.52
  5. Step 5: Solve for x
    x = 17,496,862,513.52/219,382.13
  6. Step 6: Final answer
    x = 79,755.19

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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.