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Finding the Fourth Proportional to 113,574.60, 170,232.70 and 69,103.32

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Solution

The fourth proportional to 113,574.60, 170,232.70 and 69,103.32 is: 103,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,574.60 : 170,232.70 = 69,103.32 : x
  2. Step 2: Convert to fraction form
    113,574.60/170,232.70 = 69,103.32/x
  3. Step 3: Cross multiply
    113,574.60x = 170,232.70 × 69,103.32
  4. Step 4: Simplify right side
    113,574.60x = 11,763,644,742.56
  5. Step 5: Solve for x
    x = 11,763,644,742.56/113,574.60
  6. Step 6: Final answer
    x = 103,576.37

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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.