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Finding the Fourth Proportional to 169,671.49, 254,465.17 and 57,349.23

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Solution

The fourth proportional to 169,671.49, 254,465.17 and 57,349.23 is: 86,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,671.49 : 254,465.17 = 57,349.23 : x
  2. Step 2: Convert to fraction form
    169,671.49/254,465.17 = 57,349.23/x
  3. Step 3: Cross multiply
    169,671.49x = 254,465.17 × 57,349.23
  4. Step 4: Simplify right side
    169,671.49x = 14,593,381,561.32
  5. Step 5: Solve for x
    x = 14,593,381,561.32/169,671.49
  6. Step 6: Final answer
    x = 86,009.63

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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.