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Finding the Fourth Proportional to 169,685.66, 254,528.22 and 43,325.84

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Solution

The fourth proportional to 169,685.66, 254,528.22 and 43,325.84 is: 64,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,685.66 : 254,528.22 = 43,325.84 : x
  2. Step 2: Convert to fraction form
    169,685.66/254,528.22 = 43,325.84/x
  3. Step 3: Cross multiply
    169,685.66x = 254,528.22 × 43,325.84
  4. Step 4: Simplify right side
    169,685.66x = 11,027,648,935.20
  5. Step 5: Solve for x
    x = 11,027,648,935.20/169,685.66
  6. Step 6: Final answer
    x = 64,988.69

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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.