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Finding the Fourth Proportional to 100,001.76, 150,076.46 and 47,411.44

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Solution

The fourth proportional to 100,001.76, 150,076.46 and 47,411.44 is: 71,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,001.76 : 150,076.46 = 47,411.44 : x
  2. Step 2: Convert to fraction form
    100,001.76/150,076.46 = 47,411.44/x
  3. Step 3: Cross multiply
    100,001.76x = 150,076.46 × 47,411.44
  4. Step 4: Simplify right side
    100,001.76x = 7,115,341,078.70
  5. Step 5: Solve for x
    x = 7,115,341,078.70/100,001.76
  6. Step 6: Final answer
    x = 71,152.16

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1.5x scale

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.