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Finding the Fourth Proportional to 168,468.71, 232,485.03 and 91,987.56

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Solution

The fourth proportional to 168,468.71, 232,485.03 and 91,987.56 is: 126,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,468.71 : 232,485.03 = 91,987.56 : x
  2. Step 2: Convert to fraction form
    168,468.71/232,485.03 = 91,987.56/x
  3. Step 3: Cross multiply
    168,468.71x = 232,485.03 × 91,987.56
  4. Step 4: Simplify right side
    168,468.71x = 21,385,730,646.23
  5. Step 5: Solve for x
    x = 21,385,730,646.23/168,468.71
  6. Step 6: Final answer
    x = 126,941.86

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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.