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Finding the Fourth Proportional to 169,880.18, 254,813.78 and 51,546.74

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Solution

The fourth proportional to 169,880.18, 254,813.78 and 51,546.74 is: 77,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,880.18 : 254,813.78 = 51,546.74 : x
  2. Step 2: Convert to fraction form
    169,880.18/254,813.78 = 51,546.74/x
  3. Step 3: Cross multiply
    169,880.18x = 254,813.78 × 51,546.74
  4. Step 4: Simplify right side
    169,880.18x = 13,134,818,134.27
  5. Step 5: Solve for x
    x = 13,134,818,134.27/169,880.18
  6. Step 6: Final answer
    x = 77,318.13

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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.