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Finding the Fourth Proportional to 163,496.75, 245,249.71 and 45,168.08

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Solution

The fourth proportional to 163,496.75, 245,249.71 and 45,168.08 is: 67,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,496.75 : 245,249.71 = 45,168.08 : x
  2. Step 2: Convert to fraction form
    163,496.75/245,249.71 = 45,168.08/x
  3. Step 3: Cross multiply
    163,496.75x = 245,249.71 × 45,168.08
  4. Step 4: Simplify right side
    163,496.75x = 11,077,457,182.09
  5. Step 5: Solve for x
    x = 11,077,457,182.09/163,496.75
  6. Step 6: Final answer
    x = 67,753.38

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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.