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Finding the Fourth Proportional to 174,809.81, 262,214.96 and 74,905.25

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Solution

The fourth proportional to 174,809.81, 262,214.96 and 74,905.25 is: 112,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,809.81 : 262,214.96 = 74,905.25 : x
  2. Step 2: Convert to fraction form
    174,809.81/262,214.96 = 74,905.25/x
  3. Step 3: Cross multiply
    174,809.81x = 262,214.96 × 74,905.25
  4. Step 4: Simplify right side
    174,809.81x = 19,641,276,758.01
  5. Step 5: Solve for x
    x = 19,641,276,758.01/174,809.81
  6. Step 6: Final answer
    x = 112,357.98

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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.