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Finding the Fourth Proportional to 127,604, 191,407.62 and 44,498

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Solution

The fourth proportional to 127,604, 191,407.62 and 44,498 is: 66,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,604 : 191,407.62 = 44,498 : x
  2. Step 2: Convert to fraction form
    127,604/191,407.62 = 44,498/x
  3. Step 3: Cross multiply
    127,604x = 191,407.62 × 44,498
  4. Step 4: Simplify right side
    127,604x = 8,517,256,274.76
  5. Step 5: Solve for x
    x = 8,517,256,274.76/127,604
  6. Step 6: Final answer
    x = 66,747.56

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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.