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Finding the Fourth Proportional to 134,369.69, 201,583.69 and 40,873.01

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Solution

The fourth proportional to 134,369.69, 201,583.69 and 40,873.01 is: 61,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,369.69 : 201,583.69 = 40,873.01 : x
  2. Step 2: Convert to fraction form
    134,369.69/201,583.69 = 40,873.01/x
  3. Step 3: Cross multiply
    134,369.69x = 201,583.69 × 40,873.01
  4. Step 4: Simplify right side
    134,369.69x = 8,239,332,177.21
  5. Step 5: Solve for x
    x = 8,239,332,177.21/134,369.69
  6. Step 6: Final answer
    x = 61,318.38

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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.