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Finding the Fourth Proportional to 134,464.40, 201,842.40 and 84,600.80

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Solution

The fourth proportional to 134,464.40, 201,842.40 and 84,600.80 is: 126,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,464.40 : 201,842.40 = 84,600.80 : x
  2. Step 2: Convert to fraction form
    134,464.40/201,842.40 = 84,600.80/x
  3. Step 3: Cross multiply
    134,464.40x = 201,842.40 × 84,600.80
  4. Step 4: Simplify right side
    134,464.40x = 17,076,028,513.92
  5. Step 5: Solve for x
    x = 17,076,028,513.92/134,464.40
  6. Step 6: Final answer
    x = 126,992.93

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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.