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Finding the Fourth Proportional to 174,168.79, 240,375.17 and 102,555.47

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Solution

The fourth proportional to 174,168.79, 240,375.17 and 102,555.47 is: 141,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,168.79 : 240,375.17 = 102,555.47 : x
  2. Step 2: Convert to fraction form
    174,168.79/240,375.17 = 102,555.47/x
  3. Step 3: Cross multiply
    174,168.79x = 240,375.17 × 102,555.47
  4. Step 4: Simplify right side
    174,168.79x = 24,651,789,393.01
  5. Step 5: Solve for x
    x = 24,651,789,393.01/174,168.79
  6. Step 6: Final answer
    x = 141,539.65

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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.