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Finding the Fourth Proportional to 162,757.90, 228,172.10 and 162,757.90

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Solution

The fourth proportional to 162,757.90, 228,172.10 and 162,757.90 is: 228,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,757.90 : 228,172.10 = 162,757.90 : x
  2. Step 2: Convert to fraction form
    162,757.90/228,172.10 = 162,757.90/x
  3. Step 3: Cross multiply
    162,757.90x = 228,172.10 × 162,757.90
  4. Step 4: Simplify right side
    162,757.90x = 37,136,811,834.59
  5. Step 5: Solve for x
    x = 37,136,811,834.59/162,757.90
  6. Step 6: Final answer
    x = 228,172.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.