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Finding the Fourth Proportional to 118,262.44, 163,205.58 and 64,550.89

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Solution

The fourth proportional to 118,262.44, 163,205.58 and 64,550.89 is: 89,082.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,262.44 : 163,205.58 = 64,550.89 : x
  2. Step 2: Convert to fraction form
    118,262.44/163,205.58 = 64,550.89/x
  3. Step 3: Cross multiply
    118,262.44x = 163,205.58 × 64,550.89
  4. Step 4: Simplify right side
    118,262.44x = 10,535,065,441.97
  5. Step 5: Solve for x
    x = 10,535,065,441.97/118,262.44
  6. Step 6: Final answer
    x = 89,082.09

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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.