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Finding the Fourth Proportional to 356,699.33, 535,104.33 and 120,023.54

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Solution

The fourth proportional to 356,699.33, 535,104.33 and 120,023.54 is: 180,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,699.33 : 535,104.33 = 120,023.54 : x
  2. Step 2: Convert to fraction form
    356,699.33/535,104.33 = 120,023.54/x
  3. Step 3: Cross multiply
    356,699.33x = 535,104.33 × 120,023.54
  4. Step 4: Simplify right side
    356,699.33x = 64,225,114,836.96
  5. Step 5: Solve for x
    x = 64,225,114,836.96/356,699.33
  6. Step 6: Final answer
    x = 180,053.93

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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.