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Finding the Fourth Proportional to 171,015.84, 235,998.36 and 93,490.34

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Solution

The fourth proportional to 171,015.84, 235,998.36 and 93,490.34 is: 129,014.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,015.84 : 235,998.36 = 93,490.34 : x
  2. Step 2: Convert to fraction form
    171,015.84/235,998.36 = 93,490.34/x
  3. Step 3: Cross multiply
    171,015.84x = 235,998.36 × 93,490.34
  4. Step 4: Simplify right side
    171,015.84x = 22,063,565,735.85
  5. Step 5: Solve for x
    x = 22,063,565,735.85/171,015.84
  6. Step 6: Final answer
    x = 129,014.75

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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.