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Finding the Fourth Proportional to 144,930.30, 203,178.90 and 144,930.30

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Solution

The fourth proportional to 144,930.30, 203,178.90 and 144,930.30 is: 203,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,930.30 : 203,178.90 = 144,930.30 : x
  2. Step 2: Convert to fraction form
    144,930.30/203,178.90 = 144,930.30/x
  3. Step 3: Cross multiply
    144,930.30x = 203,178.90 × 144,930.30
  4. Step 4: Simplify right side
    144,930.30x = 29,446,778,930.67
  5. Step 5: Solve for x
    x = 29,446,778,930.67/144,930.30
  6. Step 6: Final answer
    x = 203,178.90

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1.5x scale

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.