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Finding the Fourth Proportional to 146,295.15, 201,884.64 and 81,765.59

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Solution

The fourth proportional to 146,295.15, 201,884.64 and 81,765.59 is: 112,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,295.15 : 201,884.64 = 81,765.59 : x
  2. Step 2: Convert to fraction form
    146,295.15/201,884.64 = 81,765.59/x
  3. Step 3: Cross multiply
    146,295.15x = 201,884.64 × 81,765.59
  4. Step 4: Simplify right side
    146,295.15x = 16,507,215,385.49
  5. Step 5: Solve for x
    x = 16,507,215,385.49/146,295.15
  6. Step 6: Final answer
    x = 112,835.02

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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.