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Finding the Fourth Proportional to 236,040.90, 325,737.90 and 140,551.62

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Solution

The fourth proportional to 236,040.90, 325,737.90 and 140,551.62 is: 193,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,040.90 : 325,737.90 = 140,551.62 : x
  2. Step 2: Convert to fraction form
    236,040.90/325,737.90 = 140,551.62/x
  3. Step 3: Cross multiply
    236,040.90x = 325,737.90 × 140,551.62
  4. Step 4: Simplify right side
    236,040.90x = 45,782,989,540.40
  5. Step 5: Solve for x
    x = 45,782,989,540.40/236,040.90
  6. Step 6: Final answer
    x = 193,962.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.