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Finding the Fourth Proportional to 177,554.97, 245,023.20 and 96,980.85

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Solution

The fourth proportional to 177,554.97, 245,023.20 and 96,980.85 is: 133,832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,554.97 : 245,023.20 = 96,980.85 : x
  2. Step 2: Convert to fraction form
    177,554.97/245,023.20 = 96,980.85/x
  3. Step 3: Cross multiply
    177,554.97x = 245,023.20 × 96,980.85
  4. Step 4: Simplify right side
    177,554.97x = 23,762,558,205.72
  5. Step 5: Solve for x
    x = 23,762,558,205.72/177,554.97
  6. Step 6: Final answer
    x = 133,832.12

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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.