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Finding the Fourth Proportional to 86,188.59, 129,303.60 and 27,024.27

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Solution

The fourth proportional to 86,188.59, 129,303.60 and 27,024.27 is: 40,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,188.59 : 129,303.60 = 27,024.27 : x
  2. Step 2: Convert to fraction form
    86,188.59/129,303.60 = 27,024.27/x
  3. Step 3: Cross multiply
    86,188.59x = 129,303.60 × 27,024.27
  4. Step 4: Simplify right side
    86,188.59x = 3,494,335,398.37
  5. Step 5: Solve for x
    x = 3,494,335,398.37/86,188.59
  6. Step 6: Final answer
    x = 40,542.90

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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.