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Finding the Fourth Proportional to 113,315.60, 169,827.60 and 54,023.60

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Solution

The fourth proportional to 113,315.60, 169,827.60 and 54,023.60 is: 80,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,315.60 : 169,827.60 = 54,023.60 : x
  2. Step 2: Convert to fraction form
    113,315.60/169,827.60 = 54,023.60/x
  3. Step 3: Cross multiply
    113,315.60x = 169,827.60 × 54,023.60
  4. Step 4: Simplify right side
    113,315.60x = 9,174,698,331.36
  5. Step 5: Solve for x
    x = 9,174,698,331.36/113,315.60
  6. Step 6: Final answer
    x = 80,965.89

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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.