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Finding the Fourth Proportional to 127,104.81, 190,543.95 and 48,274.41

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Solution

The fourth proportional to 127,104.81, 190,543.95 and 48,274.41 is: 72,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104.81 : 190,543.95 = 48,274.41 : x
  2. Step 2: Convert to fraction form
    127,104.81/190,543.95 = 48,274.41/x
  3. Step 3: Cross multiply
    127,104.81x = 190,543.95 × 48,274.41
  4. Step 4: Simplify right side
    127,104.81x = 9,198,396,765.32
  5. Step 5: Solve for x
    x = 9,198,396,765.32/127,104.81
  6. Step 6: Final answer
    x = 72,368.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.