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Finding the Fourth Proportional to 355,365.25, 533,140.22 and 106,047.25

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Solution

The fourth proportional to 355,365.25, 533,140.22 and 106,047.25 is: 159,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,365.25 : 533,140.22 = 106,047.25 : x
  2. Step 2: Convert to fraction form
    355,365.25/533,140.22 = 106,047.25/x
  3. Step 3: Cross multiply
    355,365.25x = 533,140.22 × 106,047.25
  4. Step 4: Simplify right side
    355,365.25x = 56,538,054,195.40
  5. Step 5: Solve for x
    x = 56,538,054,195.40/355,365.25
  6. Step 6: Final answer
    x = 159,098.43

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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.