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Finding the Fourth Proportional to 187,748.60, 281,622.90 and 164,420.60

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Solution

The fourth proportional to 187,748.60, 281,622.90 and 164,420.60 is: 246,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,748.60 : 281,622.90 = 164,420.60 : x
  2. Step 2: Convert to fraction form
    187,748.60/281,622.90 = 164,420.60/x
  3. Step 3: Cross multiply
    187,748.60x = 281,622.90 × 164,420.60
  4. Step 4: Simplify right side
    187,748.60x = 46,304,606,191.74
  5. Step 5: Solve for x
    x = 46,304,606,191.74/187,748.60
  6. Step 6: Final answer
    x = 246,630.90

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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.