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Finding the Fourth Proportional to 168,634.93, 252,946.36 and 42,276.22

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Solution

The fourth proportional to 168,634.93, 252,946.36 and 42,276.22 is: 63,412.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,634.93 : 252,946.36 = 42,276.22 : x
  2. Step 2: Convert to fraction form
    168,634.93/252,946.36 = 42,276.22/x
  3. Step 3: Cross multiply
    168,634.93x = 252,946.36 × 42,276.22
  4. Step 4: Simplify right side
    168,634.93x = 10,693,615,963.56
  5. Step 5: Solve for x
    x = 10,693,615,963.56/168,634.93
  6. Step 6: Final answer
    x = 63,412.82

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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.