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Finding the Fourth Proportional to 88,436, 122,041.80 and 48,692

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Solution

The fourth proportional to 88,436, 122,041.80 and 48,692 is: 67,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,436 : 122,041.80 = 48,692 : x
  2. Step 2: Convert to fraction form
    88,436/122,041.80 = 48,692/x
  3. Step 3: Cross multiply
    88,436x = 122,041.80 × 48,692
  4. Step 4: Simplify right side
    88,436x = 5,942,459,325.60
  5. Step 5: Solve for x
    x = 5,942,459,325.60/88,436
  6. Step 6: Final answer
    x = 67,195.03

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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.