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Finding the Fourth Proportional to 167,898.92, 251,787.88 and 55,558.40

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Solution

The fourth proportional to 167,898.92, 251,787.88 and 55,558.40 is: 83,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,898.92 : 251,787.88 = 55,558.40 : x
  2. Step 2: Convert to fraction form
    167,898.92/251,787.88 = 55,558.40/x
  3. Step 3: Cross multiply
    167,898.92x = 251,787.88 × 55,558.40
  4. Step 4: Simplify right side
    167,898.92x = 13,988,931,752.19
  5. Step 5: Solve for x
    x = 13,988,931,752.19/167,898.92
  6. Step 6: Final answer
    x = 83,317.58

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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.