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Finding the Fourth Proportional to 161,929.01, 242,900.81 and 49,601.04

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Solution

The fourth proportional to 161,929.01, 242,900.81 and 49,601.04 is: 74,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,929.01 : 242,900.81 = 49,601.04 : x
  2. Step 2: Convert to fraction form
    161,929.01/242,900.81 = 49,601.04/x
  3. Step 3: Cross multiply
    161,929.01x = 242,900.81 × 49,601.04
  4. Step 4: Simplify right side
    161,929.01x = 12,048,132,544.84
  5. Step 5: Solve for x
    x = 12,048,132,544.84/161,929.01
  6. Step 6: Final answer
    x = 74,403.80

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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.