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Finding the Fourth Proportional to 161,930.01, 242,902.31 and 49,602.04

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Solution

The fourth proportional to 161,930.01, 242,902.31 and 49,602.04 is: 74,405.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,930.01 : 242,902.31 = 49,602.04 : x
  2. Step 2: Convert to fraction form
    161,930.01/242,902.31 = 49,602.04/x
  3. Step 3: Cross multiply
    161,930.01x = 242,902.31 × 49,602.04
  4. Step 4: Simplify right side
    161,930.01x = 12,048,450,096.71
  5. Step 5: Solve for x
    x = 12,048,450,096.71/161,930.01
  6. Step 6: Final answer
    x = 74,405.29

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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.