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Finding the Fourth Proportional to 170,469.59, 235,200.80 and 97,872.13

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Solution

The fourth proportional to 170,469.59, 235,200.80 and 97,872.13 is: 135,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,469.59 : 235,200.80 = 97,872.13 : x
  2. Step 2: Convert to fraction form
    170,469.59/235,200.80 = 97,872.13/x
  3. Step 3: Cross multiply
    170,469.59x = 235,200.80 × 97,872.13
  4. Step 4: Simplify right side
    170,469.59x = 23,019,601,608.34
  5. Step 5: Solve for x
    x = 23,019,601,608.34/170,469.59
  6. Step 6: Final answer
    x = 135,036.41

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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.