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Finding the Fourth Proportional to 113,765.00, 170,674.97 and 42,688.22

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Solution

The fourth proportional to 113,765.00, 170,674.97 and 42,688.22 is: 64,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,765.00 : 170,674.97 = 42,688.22 : x
  2. Step 2: Convert to fraction form
    113,765.00/170,674.97 = 42,688.22/x
  3. Step 3: Cross multiply
    113,765.00x = 170,674.97 × 42,688.22
  4. Step 4: Simplify right side
    113,765.00x = 7,285,809,601.04
  5. Step 5: Solve for x
    x = 7,285,809,601.04/113,765.00
  6. Step 6: Final answer
    x = 64,042.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.