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Finding the Fourth Proportional to 144,730.80, 217,096.20 and 127,234.80

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Solution

The fourth proportional to 144,730.80, 217,096.20 and 127,234.80 is: 190,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,730.80 : 217,096.20 = 127,234.80 : x
  2. Step 2: Convert to fraction form
    144,730.80/217,096.20 = 127,234.80/x
  3. Step 3: Cross multiply
    144,730.80x = 217,096.20 × 127,234.80
  4. Step 4: Simplify right side
    144,730.80x = 27,622,191,587.76
  5. Step 5: Solve for x
    x = 27,622,191,587.76/144,730.80
  6. Step 6: Final answer
    x = 190,852.20

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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.