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Finding the Fourth Proportional to 192,874.84, 266,124.30 and 116,406.40

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Solution

The fourth proportional to 192,874.84, 266,124.30 and 116,406.40 is: 160,614.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,874.84 : 266,124.30 = 116,406.40 : x
  2. Step 2: Convert to fraction form
    192,874.84/266,124.30 = 116,406.40/x
  3. Step 3: Cross multiply
    192,874.84x = 266,124.30 × 116,406.40
  4. Step 4: Simplify right side
    192,874.84x = 30,978,571,715.52
  5. Step 5: Solve for x
    x = 30,978,571,715.52/192,874.84
  6. Step 6: Final answer
    x = 160,614.89

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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.