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Finding the Fourth Proportional to 113,782.58, 170,701.65 and 37,880.97

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Solution

The fourth proportional to 113,782.58, 170,701.65 and 37,880.97 is: 56,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,782.58 : 170,701.65 = 37,880.97 : x
  2. Step 2: Convert to fraction form
    113,782.58/170,701.65 = 37,880.97/x
  3. Step 3: Cross multiply
    113,782.58x = 170,701.65 × 37,880.97
  4. Step 4: Simplify right side
    113,782.58x = 6,466,344,989.30
  5. Step 5: Solve for x
    x = 6,466,344,989.30/113,782.58
  6. Step 6: Final answer
    x = 56,830.71

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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.