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Finding the Fourth Proportional to 88,682, 122,380.08 and 50,953.28

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Solution

The fourth proportional to 88,682, 122,380.08 and 50,953.28 is: 70,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,682 : 122,380.08 = 50,953.28 : x
  2. Step 2: Convert to fraction form
    88,682/122,380.08 = 50,953.28/x
  3. Step 3: Cross multiply
    88,682x = 122,380.08 × 50,953.28
  4. Step 4: Simplify right side
    88,682x = 6,235,666,482.66
  5. Step 5: Solve for x
    x = 6,235,666,482.66/88,682
  6. Step 6: Final answer
    x = 70,314.91

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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.