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Finding the Fourth Proportional to 174,374.81, 261,564.65 and 49,715.81

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Solution

The fourth proportional to 174,374.81, 261,564.65 and 49,715.81 is: 74,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,374.81 : 261,564.65 = 49,715.81 : x
  2. Step 2: Convert to fraction form
    174,374.81/261,564.65 = 49,715.81/x
  3. Step 3: Cross multiply
    174,374.81x = 261,564.65 × 49,715.81
  4. Step 4: Simplify right side
    174,374.81x = 13,003,899,033.88
  5. Step 5: Solve for x
    x = 13,003,899,033.88/174,374.81
  6. Step 6: Final answer
    x = 74,574.41

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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.