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Finding the Fourth Proportional to 75,295.01, 103,889.69 and 45,068.85

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Solution

The fourth proportional to 75,295.01, 103,889.69 and 45,068.85 is: 62,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,295.01 : 103,889.69 = 45,068.85 : x
  2. Step 2: Convert to fraction form
    75,295.01/103,889.69 = 45,068.85/x
  3. Step 3: Cross multiply
    75,295.01x = 103,889.69 × 45,068.85
  4. Step 4: Simplify right side
    75,295.01x = 4,682,188,855.16
  5. Step 5: Solve for x
    x = 4,682,188,855.16/75,295.01
  6. Step 6: Final answer
    x = 62,184.58

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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.