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Finding the Fourth Proportional to 170,858.01, 235,736.73 and 98,256.96

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Solution

The fourth proportional to 170,858.01, 235,736.73 and 98,256.96 is: 135,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,858.01 : 235,736.73 = 98,256.96 : x
  2. Step 2: Convert to fraction form
    170,858.01/235,736.73 = 98,256.96/x
  3. Step 3: Cross multiply
    170,858.01x = 235,736.73 × 98,256.96
  4. Step 4: Simplify right side
    170,858.01x = 23,162,773,289.87
  5. Step 5: Solve for x
    x = 23,162,773,289.87/170,858.01
  6. Step 6: Final answer
    x = 135,567.38

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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.