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Finding the Fourth Proportional to 245,305.20, 367,666.20 and 103,150.20

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Solution

The fourth proportional to 245,305.20, 367,666.20 and 103,150.20 is: 154,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,305.20 : 367,666.20 = 103,150.20 : x
  2. Step 2: Convert to fraction form
    245,305.20/367,666.20 = 103,150.20/x
  3. Step 3: Cross multiply
    245,305.20x = 367,666.20 × 103,150.20
  4. Step 4: Simplify right side
    245,305.20x = 37,924,842,063.24
  5. Step 5: Solve for x
    x = 37,924,842,063.24/245,305.20
  6. Step 6: Final answer
    x = 154,602.68

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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.