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Finding the Fourth Proportional to 240,572.70, 360,945.45 and 100,374.30

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Solution

The fourth proportional to 240,572.70, 360,945.45 and 100,374.30 is: 150,597.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,572.70 : 360,945.45 = 100,374.30 : x
  2. Step 2: Convert to fraction form
    240,572.70/360,945.45 = 100,374.30/x
  3. Step 3: Cross multiply
    240,572.70x = 360,945.45 × 100,374.30
  4. Step 4: Simplify right side
    240,572.70x = 36,229,646,881.94
  5. Step 5: Solve for x
    x = 36,229,646,881.94/240,572.70
  6. Step 6: Final answer
    x = 150,597.50

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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.