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Finding the Fourth Proportional to 218,051.52, 326,844 and 112,764.48

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Solution

The fourth proportional to 218,051.52, 326,844 and 112,764.48 is: 169,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,051.52 : 326,844 = 112,764.48 : x
  2. Step 2: Convert to fraction form
    218,051.52/326,844 = 112,764.48/x
  3. Step 3: Cross multiply
    218,051.52x = 326,844 × 112,764.48
  4. Step 4: Simplify right side
    218,051.52x = 36,856,393,701.12
  5. Step 5: Solve for x
    x = 36,856,393,701.12/218,051.52
  6. Step 6: Final answer
    x = 169,026.08

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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.