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Finding the Fourth Proportional to 161,898.60, 242,847.90 and 122,532.60

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Solution

The fourth proportional to 161,898.60, 242,847.90 and 122,532.60 is: 183,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,898.60 : 242,847.90 = 122,532.60 : x
  2. Step 2: Convert to fraction form
    161,898.60/242,847.90 = 122,532.60/x
  3. Step 3: Cross multiply
    161,898.60x = 242,847.90 × 122,532.60
  4. Step 4: Simplify right side
    161,898.60x = 29,756,784,591.54
  5. Step 5: Solve for x
    x = 29,756,784,591.54/161,898.60
  6. Step 6: Final answer
    x = 183,798.90

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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.