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Finding the Fourth Proportional to 113,506.56, 170,259.42 and 34,620.60

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Solution

The fourth proportional to 113,506.56, 170,259.42 and 34,620.60 is: 51,930.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,506.56 : 170,259.42 = 34,620.60 : x
  2. Step 2: Convert to fraction form
    113,506.56/170,259.42 = 34,620.60/x
  3. Step 3: Cross multiply
    113,506.56x = 170,259.42 × 34,620.60
  4. Step 4: Simplify right side
    113,506.56x = 5,894,483,276.05
  5. Step 5: Solve for x
    x = 5,894,483,276.05/113,506.56
  6. Step 6: Final answer
    x = 51,930.77

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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.