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Finding the Fourth Proportional to 168,818.64, 232,959.96 and 92,322.84

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Solution

The fourth proportional to 168,818.64, 232,959.96 and 92,322.84 is: 127,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,818.64 : 232,959.96 = 92,322.84 : x
  2. Step 2: Convert to fraction form
    168,818.64/232,959.96 = 92,322.84/x
  3. Step 3: Cross multiply
    168,818.64x = 232,959.96 × 92,322.84
  4. Step 4: Simplify right side
    168,818.64x = 21,507,525,113.49
  5. Step 5: Solve for x
    x = 21,507,525,113.49/168,818.64
  6. Step 6: Final answer
    x = 127,400.18

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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.