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Finding the Fourth Proportional to 446,065.90, 668,877.45 and 161,745.10

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Solution

The fourth proportional to 446,065.90, 668,877.45 and 161,745.10 is: 242,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,065.90 : 668,877.45 = 161,745.10 : x
  2. Step 2: Convert to fraction form
    446,065.90/668,877.45 = 161,745.10/x
  3. Step 3: Cross multiply
    446,065.90x = 668,877.45 × 161,745.10
  4. Step 4: Simplify right side
    446,065.90x = 108,187,650,038.00
  5. Step 5: Solve for x
    x = 108,187,650,038.00/446,065.90
  6. Step 6: Final answer
    x = 242,537.37

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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.