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Finding the Fourth Proportional to 152,136.60, 228,204.90 and 41,328.60

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Solution

The fourth proportional to 152,136.60, 228,204.90 and 41,328.60 is: 61,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,136.60 : 228,204.90 = 41,328.60 : x
  2. Step 2: Convert to fraction form
    152,136.60/228,204.90 = 41,328.60/x
  3. Step 3: Cross multiply
    152,136.60x = 228,204.90 × 41,328.60
  4. Step 4: Simplify right side
    152,136.60x = 9,431,389,030.14
  5. Step 5: Solve for x
    x = 9,431,389,030.14/152,136.60
  6. Step 6: Final answer
    x = 61,992.90

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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.