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Finding the Fourth Proportional to 355,910.83, 533,710.72 and 106,534.51

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Solution

The fourth proportional to 355,910.83, 533,710.72 and 106,534.51 is: 159,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,910.83 : 533,710.72 = 106,534.51 : x
  2. Step 2: Convert to fraction form
    355,910.83/533,710.72 = 106,534.51/x
  3. Step 3: Cross multiply
    355,910.83x = 533,710.72 × 106,534.51
  4. Step 4: Simplify right side
    355,910.83x = 56,858,610,036.95
  5. Step 5: Solve for x
    x = 56,858,610,036.95/355,910.83
  6. Step 6: Final answer
    x = 159,755.21

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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.