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Finding the Fourth Proportional to 92,609.55, 138,831.81 and 33,432.05

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Solution

The fourth proportional to 92,609.55, 138,831.81 and 33,432.05 is: 50,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,609.55 : 138,831.81 = 33,432.05 : x
  2. Step 2: Convert to fraction form
    92,609.55/138,831.81 = 33,432.05/x
  3. Step 3: Cross multiply
    92,609.55x = 138,831.81 × 33,432.05
  4. Step 4: Simplify right side
    92,609.55x = 4,641,431,319.35
  5. Step 5: Solve for x
    x = 4,641,431,319.35/92,609.55
  6. Step 6: Final answer
    x = 50,118.28

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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.