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Finding the Fourth Proportional to 162,918.80, 244,378.20 and 157,475.60

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Solution

The fourth proportional to 162,918.80, 244,378.20 and 157,475.60 is: 236,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,918.80 : 244,378.20 = 157,475.60 : x
  2. Step 2: Convert to fraction form
    162,918.80/244,378.20 = 157,475.60/x
  3. Step 3: Cross multiply
    162,918.80x = 244,378.20 × 157,475.60
  4. Step 4: Simplify right side
    162,918.80x = 38,483,603,671.92
  5. Step 5: Solve for x
    x = 38,483,603,671.92/162,918.80
  6. Step 6: Final answer
    x = 236,213.40

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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.