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Finding the Fourth Proportional to 169,287.75, 253,857.80 and 64,032.90

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Solution

The fourth proportional to 169,287.75, 253,857.80 and 64,032.90 is: 96,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,287.75 : 253,857.80 = 64,032.90 : x
  2. Step 2: Convert to fraction form
    169,287.75/253,857.80 = 64,032.90/x
  3. Step 3: Cross multiply
    169,287.75x = 253,857.80 × 64,032.90
  4. Step 4: Simplify right side
    169,287.75x = 16,255,250,801.46
  5. Step 5: Solve for x
    x = 16,255,250,801.46/169,287.75
  6. Step 6: Final answer
    x = 96,021.42

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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.