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Finding the Fourth Proportional to 215,223.01, 297,007.76 and 119,729.71

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Solution

The fourth proportional to 215,223.01, 297,007.76 and 119,729.71 is: 165,227.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,223.01 : 297,007.76 = 119,729.71 : x
  2. Step 2: Convert to fraction form
    215,223.01/297,007.76 = 119,729.71/x
  3. Step 3: Cross multiply
    215,223.01x = 297,007.76 × 119,729.71
  4. Step 4: Simplify right side
    215,223.01x = 35,560,651,632.47
  5. Step 5: Solve for x
    x = 35,560,651,632.47/215,223.01
  6. Step 6: Final answer
    x = 165,227.00

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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.