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Finding the Fourth Proportional to 365,136.60, 547,622.10 and 165,325.08

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Solution

The fourth proportional to 365,136.60, 547,622.10 and 165,325.08 is: 247,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,136.60 : 547,622.10 = 165,325.08 : x
  2. Step 2: Convert to fraction form
    365,136.60/547,622.10 = 165,325.08/x
  3. Step 3: Cross multiply
    365,136.60x = 547,622.10 × 165,325.08
  4. Step 4: Simplify right side
    365,136.60x = 90,535,667,492.27
  5. Step 5: Solve for x
    x = 90,535,667,492.27/365,136.60
  6. Step 6: Final answer
    x = 247,950.13

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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.