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Finding the Fourth Proportional to 170,712.20, 235,583.04 and 95,260.64

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Solution

The fourth proportional to 170,712.20, 235,583.04 and 95,260.64 is: 131,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,712.20 : 235,583.04 = 95,260.64 : x
  2. Step 2: Convert to fraction form
    170,712.20/235,583.04 = 95,260.64/x
  3. Step 3: Cross multiply
    170,712.20x = 235,583.04 × 95,260.64
  4. Step 4: Simplify right side
    170,712.20x = 22,441,791,163.55
  5. Step 5: Solve for x
    x = 22,441,791,163.55/170,712.20
  6. Step 6: Final answer
    x = 131,459.80

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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.