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Finding the Fourth Proportional to 163,039.80, 244,559.70 and 100,745.40

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Solution

The fourth proportional to 163,039.80, 244,559.70 and 100,745.40 is: 151,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,039.80 : 244,559.70 = 100,745.40 : x
  2. Step 2: Convert to fraction form
    163,039.80/244,559.70 = 100,745.40/x
  3. Step 3: Cross multiply
    163,039.80x = 244,559.70 × 100,745.40
  4. Step 4: Simplify right side
    163,039.80x = 24,638,264,800.38
  5. Step 5: Solve for x
    x = 24,638,264,800.38/163,039.80
  6. Step 6: Final answer
    x = 151,118.10

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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.