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Finding the Fourth Proportional to 169,283.62, 253,851.61 and 64,028.78

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Solution

The fourth proportional to 169,283.62, 253,851.61 and 64,028.78 is: 96,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,283.62 : 253,851.61 = 64,028.78 : x
  2. Step 2: Convert to fraction form
    169,283.62/253,851.61 = 64,028.78/x
  3. Step 3: Cross multiply
    169,283.62x = 253,851.61 × 64,028.78
  4. Step 4: Simplify right side
    169,283.62x = 16,253,808,532.00
  5. Step 5: Solve for x
    x = 16,253,808,532.00/169,283.62
  6. Step 6: Final answer
    x = 96,015.25

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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.