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Finding the Fourth Proportional to 179,103.64, 268,136.70 and 134,916.52

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Solution

The fourth proportional to 179,103.64, 268,136.70 and 134,916.52 is: 201,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,103.64 : 268,136.70 = 134,916.52 : x
  2. Step 2: Convert to fraction form
    179,103.64/268,136.70 = 134,916.52/x
  3. Step 3: Cross multiply
    179,103.64x = 268,136.70 × 134,916.52
  4. Step 4: Simplify right side
    179,103.64x = 36,176,070,448.28
  5. Step 5: Solve for x
    x = 36,176,070,448.28/179,103.64
  6. Step 6: Final answer
    x = 201,984.00

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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.