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Finding the Fourth Proportional to 169,564.66, 254,344.40 and 57,323.72

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Solution

The fourth proportional to 169,564.66, 254,344.40 and 57,323.72 is: 85,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,564.66 : 254,344.40 = 57,323.72 : x
  2. Step 2: Convert to fraction form
    169,564.66/254,344.40 = 57,323.72/x
  3. Step 3: Cross multiply
    169,564.66x = 254,344.40 × 57,323.72
  4. Step 4: Simplify right side
    169,564.66x = 14,579,965,610.83
  5. Step 5: Solve for x
    x = 14,579,965,610.83/169,564.66
  6. Step 6: Final answer
    x = 85,984.70

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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.