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Finding the Fourth Proportional to 118,735.56, 163,852.08 and 65,022.84

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Solution

The fourth proportional to 118,735.56, 163,852.08 and 65,022.84 is: 89,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,735.56 : 163,852.08 = 65,022.84 : x
  2. Step 2: Convert to fraction form
    118,735.56/163,852.08 = 65,022.84/x
  3. Step 3: Cross multiply
    118,735.56x = 163,852.08 × 65,022.84
  4. Step 4: Simplify right side
    118,735.56x = 10,654,127,581.51
  5. Step 5: Solve for x
    x = 10,654,127,581.51/118,735.56
  6. Step 6: Final answer
    x = 89,729.88

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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.