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Finding the Fourth Proportional to 163,684.49, 245,526.06 and 45,355.49

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Solution

The fourth proportional to 163,684.49, 245,526.06 and 45,355.49 is: 68,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,684.49 : 245,526.06 = 45,355.49 : x
  2. Step 2: Convert to fraction form
    163,684.49/245,526.06 = 45,355.49/x
  3. Step 3: Cross multiply
    163,684.49x = 245,526.06 × 45,355.49
  4. Step 4: Simplify right side
    163,684.49x = 11,135,954,759.07
  5. Step 5: Solve for x
    x = 11,135,954,759.07/163,684.49
  6. Step 6: Final answer
    x = 68,033.05

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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.