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Finding the Fourth Proportional to 240,706.98, 332,187.05 and 145,211.63

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Solution

The fourth proportional to 240,706.98, 332,187.05 and 145,211.63 is: 200,398.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,706.98 : 332,187.05 = 145,211.63 : x
  2. Step 2: Convert to fraction form
    240,706.98/332,187.05 = 145,211.63/x
  3. Step 3: Cross multiply
    240,706.98x = 332,187.05 × 145,211.63
  4. Step 4: Simplify right side
    240,706.98x = 48,237,420,608.40
  5. Step 5: Solve for x
    x = 48,237,420,608.40/240,706.98
  6. Step 6: Final answer
    x = 200,398.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.