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Finding the Fourth Proportional to 445,852.93, 668,789.64 and 108,896.35

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Solution

The fourth proportional to 445,852.93, 668,789.64 and 108,896.35 is: 163,347.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,852.93 : 668,789.64 = 108,896.35 : x
  2. Step 2: Convert to fraction form
    445,852.93/668,789.64 = 108,896.35/x
  3. Step 3: Cross multiply
    445,852.93x = 668,789.64 × 108,896.35
  4. Step 4: Simplify right side
    445,852.93x = 72,828,750,713.81
  5. Step 5: Solve for x
    x = 72,828,750,713.81/445,852.93
  6. Step 6: Final answer
    x = 163,347.03

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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.