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Finding the Fourth Proportional to 101,850.01, 140,550.89 and 56,525.36

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Solution

The fourth proportional to 101,850.01, 140,550.89 and 56,525.36 is: 78,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,850.01 : 140,550.89 = 56,525.36 : x
  2. Step 2: Convert to fraction form
    101,850.01/140,550.89 = 56,525.36/x
  3. Step 3: Cross multiply
    101,850.01x = 140,550.89 × 56,525.36
  4. Step 4: Simplify right side
    101,850.01x = 7,944,688,670.19
  5. Step 5: Solve for x
    x = 7,944,688,670.19/101,850.01
  6. Step 6: Final answer
    x = 78,003.81

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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.