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Finding the Fourth Proportional to 134,132.94, 185,120.94 and 86,524.68

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Solution

The fourth proportional to 134,132.94, 185,120.94 and 86,524.68 is: 119,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,132.94 : 185,120.94 = 86,524.68 : x
  2. Step 2: Convert to fraction form
    134,132.94/185,120.94 = 86,524.68/x
  3. Step 3: Cross multiply
    134,132.94x = 185,120.94 × 86,524.68
  4. Step 4: Simplify right side
    134,132.94x = 16,017,530,094.80
  5. Step 5: Solve for x
    x = 16,017,530,094.80/134,132.94
  6. Step 6: Final answer
    x = 119,415.34

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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.