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Finding the Fourth Proportional to 240,562.70, 360,930.45 and 100,364.30

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Solution

The fourth proportional to 240,562.70, 360,930.45 and 100,364.30 is: 150,582.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,562.70 : 360,930.45 = 100,364.30 : x
  2. Step 2: Convert to fraction form
    240,562.70/360,930.45 = 100,364.30/x
  3. Step 3: Cross multiply
    240,562.70x = 360,930.45 × 100,364.30
  4. Step 4: Simplify right side
    240,562.70x = 36,224,531,962.94
  5. Step 5: Solve for x
    x = 36,224,531,962.94/240,562.70
  6. Step 6: Final answer
    x = 150,582.50

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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.