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Finding the Fourth Proportional to 163,532.34, 245,298.42 and 43,589.34

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Solution

The fourth proportional to 163,532.34, 245,298.42 and 43,589.34 is: 65,383.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,532.34 : 245,298.42 = 43,589.34 : x
  2. Step 2: Convert to fraction form
    163,532.34/245,298.42 = 43,589.34/x
  3. Step 3: Cross multiply
    163,532.34x = 245,298.42 × 43,589.34
  4. Step 4: Simplify right side
    163,532.34x = 10,692,396,230.84
  5. Step 5: Solve for x
    x = 10,692,396,230.84/163,532.34
  6. Step 6: Final answer
    x = 65,383.99

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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.