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Finding the Fourth Proportional to 170,652.47, 255,976.65 and 44,281.47

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Solution

The fourth proportional to 170,652.47, 255,976.65 and 44,281.47 is: 66,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,652.47 : 255,976.65 = 44,281.47 : x
  2. Step 2: Convert to fraction form
    170,652.47/255,976.65 = 44,281.47/x
  3. Step 3: Cross multiply
    170,652.47x = 255,976.65 × 44,281.47
  4. Step 4: Simplify right side
    170,652.47x = 11,335,022,347.68
  5. Step 5: Solve for x
    x = 11,335,022,347.68/170,652.47
  6. Step 6: Final answer
    x = 66,421.67

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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.