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Finding the Fourth Proportional to 169,718.86, 254,611.13 and 57,417.38

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Solution

The fourth proportional to 169,718.86, 254,611.13 and 57,417.38 is: 86,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,718.86 : 254,611.13 = 57,417.38 : x
  2. Step 2: Convert to fraction form
    169,718.86/254,611.13 = 57,417.38/x
  3. Step 3: Cross multiply
    169,718.86x = 254,611.13 × 57,417.38
  4. Step 4: Simplify right side
    169,718.86x = 14,619,104,003.44
  5. Step 5: Solve for x
    x = 14,619,104,003.44/169,718.86
  6. Step 6: Final answer
    x = 86,137.18

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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.