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Finding the Fourth Proportional to 235,523.17, 325,023.51 and 128,093.98

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Solution

The fourth proportional to 235,523.17, 325,023.51 and 128,093.98 is: 176,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,523.17 : 325,023.51 = 128,093.98 : x
  2. Step 2: Convert to fraction form
    235,523.17/325,023.51 = 128,093.98/x
  3. Step 3: Cross multiply
    235,523.17x = 325,023.51 × 128,093.98
  4. Step 4: Simplify right side
    235,523.17x = 41,633,555,820.55
  5. Step 5: Solve for x
    x = 41,633,555,820.55/235,523.17
  6. Step 6: Final answer
    x = 176,770.53

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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.