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Finding the Fourth Proportional to 144,136.38, 216,204.60 and 73,970.94

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Solution

The fourth proportional to 144,136.38, 216,204.60 and 73,970.94 is: 110,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,136.38 : 216,204.60 = 73,970.94 : x
  2. Step 2: Convert to fraction form
    144,136.38/216,204.60 = 73,970.94/x
  3. Step 3: Cross multiply
    144,136.38x = 216,204.60 × 73,970.94
  4. Step 4: Simplify right side
    144,136.38x = 15,992,857,494.32
  5. Step 5: Solve for x
    x = 15,992,857,494.32/144,136.38
  6. Step 6: Final answer
    x = 110,956.43

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1.5x scale

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.