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Finding the Fourth Proportional to 119,990.25, 180,014.54 and 36,884.25

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Solution

The fourth proportional to 119,990.25, 180,014.54 and 36,884.25 is: 55,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,990.25 : 180,014.54 = 36,884.25 : x
  2. Step 2: Convert to fraction form
    119,990.25/180,014.54 = 36,884.25/x
  3. Step 3: Cross multiply
    119,990.25x = 180,014.54 × 36,884.25
  4. Step 4: Simplify right side
    119,990.25x = 6,639,701,112.57
  5. Step 5: Solve for x
    x = 6,639,701,112.57/119,990.25
  6. Step 6: Final answer
    x = 55,335.34

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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.