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Finding the Fourth Proportional to 301,226.65, 451,851.82 and 90,864.59

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Solution

The fourth proportional to 301,226.65, 451,851.82 and 90,864.59 is: 136,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,226.65 : 451,851.82 = 90,864.59 : x
  2. Step 2: Convert to fraction form
    301,226.65/451,851.82 = 90,864.59/x
  3. Step 3: Cross multiply
    301,226.65x = 451,851.82 × 90,864.59
  4. Step 4: Simplify right side
    301,226.65x = 41,057,327,878.63
  5. Step 5: Solve for x
    x = 41,057,327,878.63/301,226.65
  6. Step 6: Final answer
    x = 136,300.45

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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.