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Finding the Fourth Proportional to 179,277, 268,915.52 and 54,618

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Solution

The fourth proportional to 179,277, 268,915.52 and 54,618 is: 81,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,277 : 268,915.52 = 54,618 : x
  2. Step 2: Convert to fraction form
    179,277/268,915.52 = 54,618/x
  3. Step 3: Cross multiply
    179,277x = 268,915.52 × 54,618
  4. Step 4: Simplify right side
    179,277x = 14,687,627,871.36
  5. Step 5: Solve for x
    x = 14,687,627,871.36/179,277
  6. Step 6: Final answer
    x = 81,927.01

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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.