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Finding the Fourth Proportional to 160,076.70, 240,127.20 and 47,748.12

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Solution

The fourth proportional to 160,076.70, 240,127.20 and 47,748.12 is: 71,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,076.70 : 240,127.20 = 47,748.12 : x
  2. Step 2: Convert to fraction form
    160,076.70/240,127.20 = 47,748.12/x
  3. Step 3: Cross multiply
    160,076.70x = 240,127.20 × 47,748.12
  4. Step 4: Simplify right side
    160,076.70x = 11,465,622,360.86
  5. Step 5: Solve for x
    x = 11,465,622,360.86/160,076.70
  6. Step 6: Final answer
    x = 71,625.80

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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.