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Finding the Fourth Proportional to 113,901.40, 170,851.20 and 29,661.40

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Solution

The fourth proportional to 113,901.40, 170,851.20 and 29,661.40 is: 44,491.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,901.40 : 170,851.20 = 29,661.40 : x
  2. Step 2: Convert to fraction form
    113,901.40/170,851.20 = 29,661.40/x
  3. Step 3: Cross multiply
    113,901.40x = 170,851.20 × 29,661.40
  4. Step 4: Simplify right side
    113,901.40x = 5,067,685,783.68
  5. Step 5: Solve for x
    x = 5,067,685,783.68/113,901.40
  6. Step 6: Final answer
    x = 44,491.87

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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.