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Finding the Fourth Proportional to 356,698.19, 535,102.65 and 120,022.43

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Solution

The fourth proportional to 356,698.19, 535,102.65 and 120,022.43 is: 180,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,698.19 : 535,102.65 = 120,022.43 : x
  2. Step 2: Convert to fraction form
    356,698.19/535,102.65 = 120,022.43/x
  3. Step 3: Cross multiply
    356,698.19x = 535,102.65 × 120,022.43
  4. Step 4: Simplify right side
    356,698.19x = 64,224,317,676.93
  5. Step 5: Solve for x
    x = 64,224,317,676.93/356,698.19
  6. Step 6: Final answer
    x = 180,052.27

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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.