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Finding the Fourth Proportional to 181,640.40, 272,460.60 and 163,269.60

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Solution

The fourth proportional to 181,640.40, 272,460.60 and 163,269.60 is: 244,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,640.40 : 272,460.60 = 163,269.60 : x
  2. Step 2: Convert to fraction form
    181,640.40/272,460.60 = 163,269.60/x
  3. Step 3: Cross multiply
    181,640.40x = 272,460.60 × 163,269.60
  4. Step 4: Simplify right side
    181,640.40x = 44,484,533,177.76
  5. Step 5: Solve for x
    x = 44,484,533,177.76/181,640.40
  6. Step 6: Final answer
    x = 244,904.40

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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.