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Finding the Fourth Proportional to 160,991.80, 241,487.70 and 101,116.60

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Solution

The fourth proportional to 160,991.80, 241,487.70 and 101,116.60 is: 151,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,991.80 : 241,487.70 = 101,116.60 : x
  2. Step 2: Convert to fraction form
    160,991.80/241,487.70 = 101,116.60/x
  3. Step 3: Cross multiply
    160,991.80x = 241,487.70 × 101,116.60
  4. Step 4: Simplify right side
    160,991.80x = 24,418,415,165.82
  5. Step 5: Solve for x
    x = 24,418,415,165.82/160,991.80
  6. Step 6: Final answer
    x = 151,674.90

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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.