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Finding the Fourth Proportional to 237,103.70, 355,674.18 and 79,332.71

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Solution

The fourth proportional to 237,103.70, 355,674.18 and 79,332.71 is: 119,005.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,103.70 : 355,674.18 = 79,332.71 : x
  2. Step 2: Convert to fraction form
    237,103.70/355,674.18 = 79,332.71/x
  3. Step 3: Cross multiply
    237,103.70x = 355,674.18 × 79,332.71
  4. Step 4: Simplify right side
    237,103.70x = 28,216,596,576.43
  5. Step 5: Solve for x
    x = 28,216,596,576.43/237,103.70
  6. Step 6: Final answer
    x = 119,005.30

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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.