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Finding the Fourth Proportional to 177,687.57, 245,039.20 and 116,342.22

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Solution

The fourth proportional to 177,687.57, 245,039.20 and 116,342.22 is: 160,441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,687.57 : 245,039.20 = 116,342.22 : x
  2. Step 2: Convert to fraction form
    177,687.57/245,039.20 = 116,342.22/x
  3. Step 3: Cross multiply
    177,687.57x = 245,039.20 × 116,342.22
  4. Step 4: Simplify right side
    177,687.57x = 28,508,404,515.02
  5. Step 5: Solve for x
    x = 28,508,404,515.02/177,687.57
  6. Step 6: Final answer
    x = 160,441.19

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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.