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Finding the Fourth Proportional to 74,790.52, 103,000.96 and 73,157.56

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Solution

The fourth proportional to 74,790.52, 103,000.96 and 73,157.56 is: 100,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,790.52 : 103,000.96 = 73,157.56 : x
  2. Step 2: Convert to fraction form
    74,790.52/103,000.96 = 73,157.56/x
  3. Step 3: Cross multiply
    74,790.52x = 103,000.96 × 73,157.56
  4. Step 4: Simplify right side
    74,790.52x = 7,535,298,911.26
  5. Step 5: Solve for x
    x = 7,535,298,911.26/74,790.52
  6. Step 6: Final answer
    x = 100,752.06

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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.