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Finding the Fourth Proportional to 104,553.29, 144,019.71 and 84,353.64

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Solution

The fourth proportional to 104,553.29, 144,019.71 and 84,353.64 is: 116,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,553.29 : 144,019.71 = 84,353.64 : x
  2. Step 2: Convert to fraction form
    104,553.29/144,019.71 = 84,353.64/x
  3. Step 3: Cross multiply
    104,553.29x = 144,019.71 × 84,353.64
  4. Step 4: Simplify right side
    104,553.29x = 12,148,586,770.24
  5. Step 5: Solve for x
    x = 12,148,586,770.24/104,553.29
  6. Step 6: Final answer
    x = 116,195.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.