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Finding the Fourth Proportional to 114,575.48, 158,191.24 and 87,669.88

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Solution

The fourth proportional to 114,575.48, 158,191.24 and 87,669.88 is: 121,043.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,575.48 : 158,191.24 = 87,669.88 : x
  2. Step 2: Convert to fraction form
    114,575.48/158,191.24 = 87,669.88/x
  3. Step 3: Cross multiply
    114,575.48x = 158,191.24 × 87,669.88
  4. Step 4: Simplify right side
    114,575.48x = 13,868,607,027.85
  5. Step 5: Solve for x
    x = 13,868,607,027.85/114,575.48
  6. Step 6: Final answer
    x = 121,043.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.