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Finding the Fourth Proportional to 187,223.60, 280,835.40 and 178,007.60

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Solution

The fourth proportional to 187,223.60, 280,835.40 and 178,007.60 is: 267,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,223.60 : 280,835.40 = 178,007.60 : x
  2. Step 2: Convert to fraction form
    187,223.60/280,835.40 = 178,007.60/x
  3. Step 3: Cross multiply
    187,223.60x = 280,835.40 × 178,007.60
  4. Step 4: Simplify right side
    187,223.60x = 49,990,835,549.04
  5. Step 5: Solve for x
    x = 49,990,835,549.04/187,223.60
  6. Step 6: Final answer
    x = 267,011.40

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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.