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Finding the Fourth Proportional to 229,883.94, 344,825.64 and 72,124.56

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Solution

The fourth proportional to 229,883.94, 344,825.64 and 72,124.56 is: 108,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,883.94 : 344,825.64 = 72,124.56 : x
  2. Step 2: Convert to fraction form
    229,883.94/344,825.64 = 72,124.56/x
  3. Step 3: Cross multiply
    229,883.94x = 344,825.64 × 72,124.56
  4. Step 4: Simplify right side
    229,883.94x = 24,870,397,561.72
  5. Step 5: Solve for x
    x = 24,870,397,561.72/229,883.94
  6. Step 6: Final answer
    x = 108,186.76

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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.