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Finding the Fourth Proportional to 92,472, 127,611.60 and 50,030.88

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Solution

The fourth proportional to 92,472, 127,611.60 and 50,030.88 is: 69,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,472 : 127,611.60 = 50,030.88 : x
  2. Step 2: Convert to fraction form
    92,472/127,611.60 = 50,030.88/x
  3. Step 3: Cross multiply
    92,472x = 127,611.60 × 50,030.88
  4. Step 4: Simplify right side
    92,472x = 6,384,520,646.21
  5. Step 5: Solve for x
    x = 6,384,520,646.21/92,472
  6. Step 6: Final answer
    x = 69,042.74

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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.