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Finding the Fourth Proportional to 451,852.74, 677,779.98 and 136,309.95

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Solution

The fourth proportional to 451,852.74, 677,779.98 and 136,309.95 is: 204,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,852.74 : 677,779.98 = 136,309.95 : x
  2. Step 2: Convert to fraction form
    451,852.74/677,779.98 = 136,309.95/x
  3. Step 3: Cross multiply
    451,852.74x = 677,779.98 × 136,309.95
  4. Step 4: Simplify right side
    451,852.74x = 92,388,155,184.80
  5. Step 5: Solve for x
    x = 92,388,155,184.80/451,852.74
  6. Step 6: Final answer
    x = 204,465.19

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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.