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Finding the Fourth Proportional to 171,338.76, 257,035.67 and 58,991.35

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Solution

The fourth proportional to 171,338.76, 257,035.67 and 58,991.35 is: 88,496.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,338.76 : 257,035.67 = 58,991.35 : x
  2. Step 2: Convert to fraction form
    171,338.76/257,035.67 = 58,991.35/x
  3. Step 3: Cross multiply
    171,338.76x = 257,035.67 × 58,991.35
  4. Step 4: Simplify right side
    171,338.76x = 15,162,881,171.45
  5. Step 5: Solve for x
    x = 15,162,881,171.45/171,338.76
  6. Step 6: Final answer
    x = 88,496.50

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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.