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Finding the Fourth Proportional to 169,888.28, 254,673.25 and 57,489.80

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Solution

The fourth proportional to 169,888.28, 254,673.25 and 57,489.80 is: 86,180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,888.28 : 254,673.25 = 57,489.80 : x
  2. Step 2: Convert to fraction form
    169,888.28/254,673.25 = 57,489.80/x
  3. Step 3: Cross multiply
    169,888.28x = 254,673.25 × 57,489.80
  4. Step 4: Simplify right side
    169,888.28x = 14,641,114,700.81
  5. Step 5: Solve for x
    x = 14,641,114,700.81/169,888.28
  6. Step 6: Final answer
    x = 86,180.84

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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.