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Finding the Fourth Proportional to 355,910.45, 533,710.16 and 106,534.13

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Solution

The fourth proportional to 355,910.45, 533,710.16 and 106,534.13 is: 159,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,910.45 : 533,710.16 = 106,534.13 : x
  2. Step 2: Convert to fraction form
    355,910.45/533,710.16 = 106,534.13/x
  3. Step 3: Cross multiply
    355,910.45x = 533,710.16 × 106,534.13
  4. Step 4: Simplify right side
    355,910.45x = 56,858,347,035.09
  5. Step 5: Solve for x
    x = 56,858,347,035.09/355,910.45
  6. Step 6: Final answer
    x = 159,754.64

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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.