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Finding the Fourth Proportional to 228,061.40, 341,573.70 and 144,080.60

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Solution

The fourth proportional to 228,061.40, 341,573.70 and 144,080.60 is: 215,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,061.40 : 341,573.70 = 144,080.60 : x
  2. Step 2: Convert to fraction form
    228,061.40/341,573.70 = 144,080.60/x
  3. Step 3: Cross multiply
    228,061.40x = 341,573.70 × 144,080.60
  4. Step 4: Simplify right side
    228,061.40x = 49,214,143,640.22
  5. Step 5: Solve for x
    x = 49,214,143,640.22/228,061.40
  6. Step 6: Final answer
    x = 215,793.39

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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.