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Finding the Fourth Proportional to 162,299.93, 243,451.70 and 49,979.25

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Solution

The fourth proportional to 162,299.93, 243,451.70 and 49,979.25 is: 74,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,299.93 : 243,451.70 = 49,979.25 : x
  2. Step 2: Convert to fraction form
    162,299.93/243,451.70 = 49,979.25/x
  3. Step 3: Cross multiply
    162,299.93x = 243,451.70 × 49,979.25
  4. Step 4: Simplify right side
    162,299.93x = 12,167,533,127.33
  5. Step 5: Solve for x
    x = 12,167,533,127.33/162,299.93
  6. Step 6: Final answer
    x = 74,969.43

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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.