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Finding the Fourth Proportional to 169,951.60, 254,928.12 and 51,623.92

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Solution

The fourth proportional to 169,951.60, 254,928.12 and 51,623.92 is: 77,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,951.60 : 254,928.12 = 51,623.92 : x
  2. Step 2: Convert to fraction form
    169,951.60/254,928.12 = 51,623.92/x
  3. Step 3: Cross multiply
    169,951.60x = 254,928.12 × 51,623.92
  4. Step 4: Simplify right side
    169,951.60x = 13,160,388,872.63
  5. Step 5: Solve for x
    x = 13,160,388,872.63/169,951.60
  6. Step 6: Final answer
    x = 77,436.10

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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.