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Finding the Fourth Proportional to 169,671.17, 254,464.72 and 57,348.91

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Solution

The fourth proportional to 169,671.17, 254,464.72 and 57,348.91 is: 86,009.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,671.17 : 254,464.72 = 57,348.91 : x
  2. Step 2: Convert to fraction form
    169,671.17/254,464.72 = 57,348.91/x
  3. Step 3: Cross multiply
    169,671.17x = 254,464.72 × 57,348.91
  4. Step 4: Simplify right side
    169,671.17x = 14,593,274,325.46
  5. Step 5: Solve for x
    x = 14,593,274,325.46/169,671.17
  6. Step 6: Final answer
    x = 86,009.16

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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.