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Finding the Fourth Proportional to 150,468.84, 207,668.29 and 93,126.61

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Solution

The fourth proportional to 150,468.84, 207,668.29 and 93,126.61 is: 128,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,468.84 : 207,668.29 = 93,126.61 : x
  2. Step 2: Convert to fraction form
    150,468.84/207,668.29 = 93,126.61/x
  3. Step 3: Cross multiply
    150,468.84x = 207,668.29 × 93,126.61
  4. Step 4: Simplify right side
    150,468.84x = 19,339,442,813.86
  5. Step 5: Solve for x
    x = 19,339,442,813.86/150,468.84
  6. Step 6: Final answer
    x = 128,527.90

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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.