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Finding the Fourth Proportional to 187,223.20, 280,834.80 and 116,364.40

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Solution

The fourth proportional to 187,223.20, 280,834.80 and 116,364.40 is: 174,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,223.20 : 280,834.80 = 116,364.40 : x
  2. Step 2: Convert to fraction form
    187,223.20/280,834.80 = 116,364.40/x
  3. Step 3: Cross multiply
    187,223.20x = 280,834.80 × 116,364.40
  4. Step 4: Simplify right side
    187,223.20x = 32,679,173,001.12
  5. Step 5: Solve for x
    x = 32,679,173,001.12/187,223.20
  6. Step 6: Final answer
    x = 174,546.60

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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.