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Finding the Fourth Proportional to 118,383.59, 163,366.67 and 64,668.85

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Solution

The fourth proportional to 118,383.59, 163,366.67 and 64,668.85 is: 89,241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,383.59 : 163,366.67 = 64,668.85 : x
  2. Step 2: Convert to fraction form
    118,383.59/163,366.67 = 64,668.85/x
  3. Step 3: Cross multiply
    118,383.59x = 163,366.67 × 64,668.85
  4. Step 4: Simplify right side
    118,383.59x = 10,564,734,430.48
  5. Step 5: Solve for x
    x = 10,564,734,430.48/118,383.59
  6. Step 6: Final answer
    x = 89,241.54

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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.