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Finding the Fourth Proportional to 92,518, 127,674.86 and 50,076.88

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Solution

The fourth proportional to 92,518, 127,674.86 and 50,076.88 is: 69,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,518 : 127,674.86 = 50,076.88 : x
  2. Step 2: Convert to fraction form
    92,518/127,674.86 = 50,076.88/x
  3. Step 3: Cross multiply
    92,518x = 127,674.86 × 50,076.88
  4. Step 4: Simplify right side
    92,518x = 6,393,558,643.24
  5. Step 5: Solve for x
    x = 6,393,558,643.24/92,518
  6. Step 6: Final answer
    x = 69,106.11

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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.