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Finding the Fourth Proportional to 88,676.82, 122,373.45 and 48,389.76

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Solution

The fourth proportional to 88,676.82, 122,373.45 and 48,389.76 is: 66,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676.82 : 122,373.45 = 48,389.76 : x
  2. Step 2: Convert to fraction form
    88,676.82/122,373.45 = 48,389.76/x
  3. Step 3: Cross multiply
    88,676.82x = 122,373.45 × 48,389.76
  4. Step 4: Simplify right side
    88,676.82x = 5,921,621,875.87
  5. Step 5: Solve for x
    x = 5,921,621,875.87/88,676.82
  6. Step 6: Final answer
    x = 66,777.56

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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.