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Finding the Fourth Proportional to 133,227.72, 183,850.88 and 72,798.66

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Solution

The fourth proportional to 133,227.72, 183,850.88 and 72,798.66 is: 100,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,227.72 : 183,850.88 = 72,798.66 : x
  2. Step 2: Convert to fraction form
    133,227.72/183,850.88 = 72,798.66/x
  3. Step 3: Cross multiply
    133,227.72x = 183,850.88 × 72,798.66
  4. Step 4: Simplify right side
    133,227.72x = 13,384,097,339.83
  5. Step 5: Solve for x
    x = 13,384,097,339.83/133,227.72
  6. Step 6: Final answer
    x = 100,460.30

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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.