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Finding the Fourth Proportional to 169,449.37, 254,174.93 and 57,130.56

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Solution

The fourth proportional to 169,449.37, 254,174.93 and 57,130.56 is: 85,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,449.37 : 254,174.93 = 57,130.56 : x
  2. Step 2: Convert to fraction form
    169,449.37/254,174.93 = 57,130.56/x
  3. Step 3: Cross multiply
    169,449.37x = 254,174.93 × 57,130.56
  4. Step 4: Simplify right side
    169,449.37x = 14,521,155,803.21
  5. Step 5: Solve for x
    x = 14,521,155,803.21/169,449.37
  6. Step 6: Final answer
    x = 85,696.13

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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.