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Finding the Fourth Proportional to 173,630.60, 261,002.70 and 161,304.20

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Solution

The fourth proportional to 173,630.60, 261,002.70 and 161,304.20 is: 242,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,630.60 : 261,002.70 = 161,304.20 : x
  2. Step 2: Convert to fraction form
    173,630.60/261,002.70 = 161,304.20/x
  3. Step 3: Cross multiply
    173,630.60x = 261,002.70 × 161,304.20
  4. Step 4: Simplify right side
    173,630.60x = 42,100,831,721.34
  5. Step 5: Solve for x
    x = 42,100,831,721.34/173,630.60
  6. Step 6: Final answer
    x = 242,473.57

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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.