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Finding the Fourth Proportional to 115,582.84, 173,374.30 and 75,635.49

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Solution

The fourth proportional to 115,582.84, 173,374.30 and 75,635.49 is: 113,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,582.84 : 173,374.30 = 75,635.49 : x
  2. Step 2: Convert to fraction form
    115,582.84/173,374.30 = 75,635.49/x
  3. Step 3: Cross multiply
    115,582.84x = 173,374.30 × 75,635.49
  4. Step 4: Simplify right side
    115,582.84x = 13,113,250,133.91
  5. Step 5: Solve for x
    x = 13,113,250,133.91/115,582.84
  6. Step 6: Final answer
    x = 113,453.26

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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.