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Finding the Fourth Proportional to 177,645.45, 266,573.31 and 65,404.56

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Solution

The fourth proportional to 177,645.45, 266,573.31 and 65,404.56 is: 98,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,645.45 : 266,573.31 = 65,404.56 : x
  2. Step 2: Convert to fraction form
    177,645.45/266,573.31 = 65,404.56/x
  3. Step 3: Cross multiply
    177,645.45x = 266,573.31 × 65,404.56
  4. Step 4: Simplify right side
    177,645.45x = 17,435,110,048.29
  5. Step 5: Solve for x
    x = 17,435,110,048.29/177,645.45
  6. Step 6: Final answer
    x = 98,145.55

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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.