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Finding the Fourth Proportional to 163,466.51, 225,426.65 and 106,084.69

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Solution

The fourth proportional to 163,466.51, 225,426.65 and 106,084.69 is: 146,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,466.51 : 225,426.65 = 106,084.69 : x
  2. Step 2: Convert to fraction form
    163,466.51/225,426.65 = 106,084.69/x
  3. Step 3: Cross multiply
    163,466.51x = 225,426.65 × 106,084.69
  4. Step 4: Simplify right side
    163,466.51x = 23,914,315,189.00
  5. Step 5: Solve for x
    x = 23,914,315,189.00/163,466.51
  6. Step 6: Final answer
    x = 146,294.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.