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Finding the Fourth Proportional to 113,898.87, 170,818.74 and 33,918.12

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Solution

The fourth proportional to 113,898.87, 170,818.74 and 33,918.12 is: 50,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,898.87 : 170,818.74 = 33,918.12 : x
  2. Step 2: Convert to fraction form
    113,898.87/170,818.74 = 33,918.12/x
  3. Step 3: Cross multiply
    113,898.87x = 170,818.74 × 33,918.12
  4. Step 4: Simplify right side
    113,898.87x = 5,793,850,521.57
  5. Step 5: Solve for x
    x = 5,793,850,521.57/113,898.87
  6. Step 6: Final answer
    x = 50,868.38

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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.