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Finding the Fourth Proportional to 149,992.68, 224,877.69 and 90,814.26

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Solution

The fourth proportional to 149,992.68, 224,877.69 and 90,814.26 is: 136,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,992.68 : 224,877.69 = 90,814.26 : x
  2. Step 2: Convert to fraction form
    149,992.68/224,877.69 = 90,814.26/x
  3. Step 3: Cross multiply
    149,992.68x = 224,877.69 × 90,814.26
  4. Step 4: Simplify right side
    149,992.68x = 20,422,101,007.86
  5. Step 5: Solve for x
    x = 20,422,101,007.86/149,992.68
  6. Step 6: Final answer
    x = 136,153.98

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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.