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Finding the Fourth Proportional to 174,955.60, 262,433.40 and 161,438.80

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Solution

The fourth proportional to 174,955.60, 262,433.40 and 161,438.80 is: 242,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,955.60 : 262,433.40 = 161,438.80 : x
  2. Step 2: Convert to fraction form
    174,955.60/262,433.40 = 161,438.80/x
  3. Step 3: Cross multiply
    174,955.60x = 262,433.40 × 161,438.80
  4. Step 4: Simplify right side
    174,955.60x = 42,366,933,175.92
  5. Step 5: Solve for x
    x = 42,366,933,175.92/174,955.60
  6. Step 6: Final answer
    x = 242,158.20

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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.