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Finding the Fourth Proportional to 260,167.42, 359,089.01 and 158,171.32

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Solution

The fourth proportional to 260,167.42, 359,089.01 and 158,171.32 is: 218,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,167.42 : 359,089.01 = 158,171.32 : x
  2. Step 2: Convert to fraction form
    260,167.42/359,089.01 = 158,171.32/x
  3. Step 3: Cross multiply
    260,167.42x = 359,089.01 × 158,171.32
  4. Step 4: Simplify right side
    260,167.42x = 56,797,582,709.19
  5. Step 5: Solve for x
    x = 56,797,582,709.19/260,167.42
  6. Step 6: Final answer
    x = 218,311.67

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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.