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Finding the Fourth Proportional to 174,302.28, 261,453.42 and 121,814.28

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Solution

The fourth proportional to 174,302.28, 261,453.42 and 121,814.28 is: 182,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,302.28 : 261,453.42 = 121,814.28 : x
  2. Step 2: Convert to fraction form
    174,302.28/261,453.42 = 121,814.28/x
  3. Step 3: Cross multiply
    174,302.28x = 261,453.42 × 121,814.28
  4. Step 4: Simplify right side
    174,302.28x = 31,848,760,110.84
  5. Step 5: Solve for x
    x = 31,848,760,110.84/174,302.28
  6. Step 6: Final answer
    x = 182,721.42

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1.5x scale

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.