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Finding the Fourth Proportional to 173,651.60, 261,034.20 and 161,325.20

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Solution

The fourth proportional to 173,651.60, 261,034.20 and 161,325.20 is: 242,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,651.60 : 261,034.20 = 161,325.20 : x
  2. Step 2: Convert to fraction form
    173,651.60/261,034.20 = 161,325.20/x
  3. Step 3: Cross multiply
    173,651.60x = 261,034.20 × 161,325.20
  4. Step 4: Simplify right side
    173,651.60x = 42,111,394,521.84
  5. Step 5: Solve for x
    x = 42,111,394,521.84/173,651.60
  6. Step 6: Final answer
    x = 242,505.08

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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.