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Finding the Fourth Proportional to 113,696.30, 170,216.40 and 100,574.30

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Solution

The fourth proportional to 113,696.30, 170,216.40 and 100,574.30 is: 150,571.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,696.30 : 170,216.40 = 100,574.30 : x
  2. Step 2: Convert to fraction form
    113,696.30/170,216.40 = 100,574.30/x
  3. Step 3: Cross multiply
    113,696.30x = 170,216.40 × 100,574.30
  4. Step 4: Simplify right side
    113,696.30x = 17,119,395,278.52
  5. Step 5: Solve for x
    x = 17,119,395,278.52/113,696.30
  6. Step 6: Final answer
    x = 150,571.26

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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.