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Finding the Fourth Proportional to 163,168.44, 244,641.90 and 83,009.40

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Solution

The fourth proportional to 163,168.44, 244,641.90 and 83,009.40 is: 124,457.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,168.44 : 244,641.90 = 83,009.40 : x
  2. Step 2: Convert to fraction form
    163,168.44/244,641.90 = 83,009.40/x
  3. Step 3: Cross multiply
    163,168.44x = 244,641.90 × 83,009.40
  4. Step 4: Simplify right side
    163,168.44x = 20,307,577,333.86
  5. Step 5: Solve for x
    x = 20,307,577,333.86/163,168.44
  6. Step 6: Final answer
    x = 124,457.75

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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.