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Finding the Fourth Proportional to 260,167.92, 359,089.70 and 158,171.82

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Solution

The fourth proportional to 260,167.92, 359,089.70 and 158,171.82 is: 218,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,167.92 : 359,089.70 = 158,171.82 : x
  2. Step 2: Convert to fraction form
    260,167.92/359,089.70 = 158,171.82/x
  3. Step 3: Cross multiply
    260,167.92x = 359,089.70 × 158,171.82
  4. Step 4: Simplify right side
    260,167.92x = 56,797,870,601.39
  5. Step 5: Solve for x
    x = 56,797,870,601.39/260,167.92
  6. Step 6: Final answer
    x = 218,312.35

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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.