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Finding the Fourth Proportional to 240,630.20, 360,945.30 and 122,532.20

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Solution

The fourth proportional to 240,630.20, 360,945.30 and 122,532.20 is: 183,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,630.20 : 360,945.30 = 122,532.20 : x
  2. Step 2: Convert to fraction form
    240,630.20/360,945.30 = 122,532.20/x
  3. Step 3: Cross multiply
    240,630.20x = 360,945.30 × 122,532.20
  4. Step 4: Simplify right side
    240,630.20x = 44,227,421,688.66
  5. Step 5: Solve for x
    x = 44,227,421,688.66/240,630.20
  6. Step 6: Final answer
    x = 183,798.30

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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.