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Finding the Fourth Proportional to 161,725.20, 242,242.20 and 134,077.20

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Solution

The fourth proportional to 161,725.20, 242,242.20 and 134,077.20 is: 200,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,725.20 : 242,242.20 = 134,077.20 : x
  2. Step 2: Convert to fraction form
    161,725.20/242,242.20 = 134,077.20/x
  3. Step 3: Cross multiply
    161,725.20x = 242,242.20 × 134,077.20
  4. Step 4: Simplify right side
    161,725.20x = 32,479,155,897.84
  5. Step 5: Solve for x
    x = 32,479,155,897.84/161,725.20
  6. Step 6: Final answer
    x = 200,829.28

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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.