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Finding the Fourth Proportional to 95,204.40, 142,806.60 and 86,456.40

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Solution

The fourth proportional to 95,204.40, 142,806.60 and 86,456.40 is: 129,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,204.40 : 142,806.60 = 86,456.40 : x
  2. Step 2: Convert to fraction form
    95,204.40/142,806.60 = 86,456.40/x
  3. Step 3: Cross multiply
    95,204.40x = 142,806.60 × 86,456.40
  4. Step 4: Simplify right side
    95,204.40x = 12,346,544,532.24
  5. Step 5: Solve for x
    x = 12,346,544,532.24/95,204.40
  6. Step 6: Final answer
    x = 129,684.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.