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Finding the Fourth Proportional to 110,461.20, 149,355.90 and 110,461.20

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Solution

The fourth proportional to 110,461.20, 149,355.90 and 110,461.20 is: 149,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,461.20 : 149,355.90 = 110,461.20 : x
  2. Step 2: Convert to fraction form
    110,461.20/149,355.90 = 110,461.20/x
  3. Step 3: Cross multiply
    110,461.20x = 149,355.90 × 110,461.20
  4. Step 4: Simplify right side
    110,461.20x = 16,498,031,941.08
  5. Step 5: Solve for x
    x = 16,498,031,941.08/110,461.20
  6. Step 6: Final answer
    x = 149,355.90

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.