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Finding the Fourth Proportional to 169,711.80, 254,568.40 and 57,392.60

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Solution

The fourth proportional to 169,711.80, 254,568.40 and 57,392.60 is: 86,089.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,711.80 : 254,568.40 = 57,392.60 : x
  2. Step 2: Convert to fraction form
    169,711.80/254,568.40 = 57,392.60/x
  3. Step 3: Cross multiply
    169,711.80x = 254,568.40 × 57,392.60
  4. Step 4: Simplify right side
    169,711.80x = 14,610,342,353.84
  5. Step 5: Solve for x
    x = 14,610,342,353.84/169,711.80
  6. Step 6: Final answer
    x = 86,089.14

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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.