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Finding the Fourth Proportional to 187,260.60, 280,890.90 and 178,044.60

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Solution

The fourth proportional to 187,260.60, 280,890.90 and 178,044.60 is: 267,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,260.60 : 280,890.90 = 178,044.60 : x
  2. Step 2: Convert to fraction form
    187,260.60/280,890.90 = 178,044.60/x
  3. Step 3: Cross multiply
    187,260.60x = 280,890.90 × 178,044.60
  4. Step 4: Simplify right side
    187,260.60x = 50,011,107,934.14
  5. Step 5: Solve for x
    x = 50,011,107,934.14/187,260.60
  6. Step 6: Final answer
    x = 267,066.90

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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.