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Finding the Fourth Proportional to 88,464, 122,080.32 and 50,740.68

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Solution

The fourth proportional to 88,464, 122,080.32 and 50,740.68 is: 70,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,464 : 122,080.32 = 50,740.68 : x
  2. Step 2: Convert to fraction form
    88,464/122,080.32 = 50,740.68/x
  3. Step 3: Cross multiply
    88,464x = 122,080.32 × 50,740.68
  4. Step 4: Simplify right side
    88,464x = 6,194,438,451.42
  5. Step 5: Solve for x
    x = 6,194,438,451.42/88,464
  6. Step 6: Final answer
    x = 70,022.14

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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.