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Finding the Fourth Proportional to 163,809.86, 245,617.83 and 63,853.37

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Solution

The fourth proportional to 163,809.86, 245,617.83 and 63,853.37 is: 95,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,809.86 : 245,617.83 = 63,853.37 : x
  2. Step 2: Convert to fraction form
    163,809.86/245,617.83 = 63,853.37/x
  3. Step 3: Cross multiply
    163,809.86x = 245,617.83 × 63,853.37
  4. Step 4: Simplify right side
    163,809.86x = 15,683,524,949.50
  5. Step 5: Solve for x
    x = 15,683,524,949.50/163,809.86
  6. Step 6: Final answer
    x = 95,742.25

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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.