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Finding the Fourth Proportional to 180,087.52, 248,524.32 and 116,536

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Solution

The fourth proportional to 180,087.52, 248,524.32 and 116,536 is: 160,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,087.52 : 248,524.32 = 116,536 : x
  2. Step 2: Convert to fraction form
    180,087.52/248,524.32 = 116,536/x
  3. Step 3: Cross multiply
    180,087.52x = 248,524.32 × 116,536
  4. Step 4: Simplify right side
    180,087.52x = 28,962,030,155.52
  5. Step 5: Solve for x
    x = 28,962,030,155.52/180,087.52
  6. Step 6: Final answer
    x = 160,821.97

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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.