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Finding the Fourth Proportional to 75,466.01, 104,107.20 and 54,257.58

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Solution

The fourth proportional to 75,466.01, 104,107.20 and 54,257.58 is: 74,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,466.01 : 104,107.20 = 54,257.58 : x
  2. Step 2: Convert to fraction form
    75,466.01/104,107.20 = 54,257.58/x
  3. Step 3: Cross multiply
    75,466.01x = 104,107.20 × 54,257.58
  4. Step 4: Simplify right side
    75,466.01x = 5,648,604,732.58
  5. Step 5: Solve for x
    x = 5,648,604,732.58/75,466.01
  6. Step 6: Final answer
    x = 74,849.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.