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Finding the Fourth Proportional to 234,079.60, 351,119.40 and 187,423.60

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Solution

The fourth proportional to 234,079.60, 351,119.40 and 187,423.60 is: 281,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,079.60 : 351,119.40 = 187,423.60 : x
  2. Step 2: Convert to fraction form
    234,079.60/351,119.40 = 187,423.60/x
  3. Step 3: Cross multiply
    234,079.60x = 351,119.40 × 187,423.60
  4. Step 4: Simplify right side
    234,079.60x = 65,808,061,977.84
  5. Step 5: Solve for x
    x = 65,808,061,977.84/234,079.60
  6. Step 6: Final answer
    x = 281,135.40

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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.