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Finding the Fourth Proportional to 169,094.42, 253,521.49 and 84,793.77

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Solution

The fourth proportional to 169,094.42, 253,521.49 and 84,793.77 is: 127,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,094.42 : 253,521.49 = 84,793.77 : x
  2. Step 2: Convert to fraction form
    169,094.42/253,521.49 = 84,793.77/x
  3. Step 3: Cross multiply
    169,094.42x = 253,521.49 × 84,793.77
  4. Step 4: Simplify right side
    169,094.42x = 21,497,041,221.54
  5. Step 5: Solve for x
    x = 21,497,041,221.54/169,094.42
  6. Step 6: Final answer
    x = 127,130.40

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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.