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Finding the Fourth Proportional to 175,715.40, 262,958.70 and 160,969.80

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Solution

The fourth proportional to 175,715.40, 262,958.70 and 160,969.80 is: 240,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,715.40 : 262,958.70 = 160,969.80 : x
  2. Step 2: Convert to fraction form
    175,715.40/262,958.70 = 160,969.80/x
  3. Step 3: Cross multiply
    175,715.40x = 262,958.70 × 160,969.80
  4. Step 4: Simplify right side
    175,715.40x = 42,328,409,347.26
  5. Step 5: Solve for x
    x = 42,328,409,347.26/175,715.40
  6. Step 6: Final answer
    x = 240,891.86

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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.