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Finding the Fourth Proportional to 236,900.59, 326,922.02 and 129,470.59

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Solution

The fourth proportional to 236,900.59, 326,922.02 and 129,470.59 is: 178,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,900.59 : 326,922.02 = 129,470.59 : x
  2. Step 2: Convert to fraction form
    236,900.59/326,922.02 = 129,470.59/x
  3. Step 3: Cross multiply
    236,900.59x = 326,922.02 × 129,470.59
  4. Step 4: Simplify right side
    236,900.59x = 42,326,786,489.72
  5. Step 5: Solve for x
    x = 42,326,786,489.72/236,900.59
  6. Step 6: Final answer
    x = 178,668.98

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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.