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Finding the Fourth Proportional to 73,254.03, 101,090.30 and 39,720.03

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Solution

The fourth proportional to 73,254.03, 101,090.30 and 39,720.03 is: 54,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,254.03 : 101,090.30 = 39,720.03 : x
  2. Step 2: Convert to fraction form
    73,254.03/101,090.30 = 39,720.03/x
  3. Step 3: Cross multiply
    73,254.03x = 101,090.30 × 39,720.03
  4. Step 4: Simplify right side
    73,254.03x = 4,015,309,550.11
  5. Step 5: Solve for x
    x = 4,015,309,550.11/73,254.03
  6. Step 6: Final answer
    x = 54,813.50

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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.