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Finding the Fourth Proportional to 88,014, 121,467 and 48,277.68

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Solution

The fourth proportional to 88,014, 121,467 and 48,277.68 is: 66,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,014 : 121,467 = 48,277.68 : x
  2. Step 2: Convert to fraction form
    88,014/121,467 = 48,277.68/x
  3. Step 3: Cross multiply
    88,014x = 121,467 × 48,277.68
  4. Step 4: Simplify right side
    88,014x = 5,864,144,956.56
  5. Step 5: Solve for x
    x = 5,864,144,956.56/88,014
  6. Step 6: Final answer
    x = 66,627.41

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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.