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Finding the Fourth Proportional to 240,703.50, 361,063.62 and 114,278.70

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Solution

The fourth proportional to 240,703.50, 361,063.62 and 114,278.70 is: 171,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,703.50 : 361,063.62 = 114,278.70 : x
  2. Step 2: Convert to fraction form
    240,703.50/361,063.62 = 114,278.70/x
  3. Step 3: Cross multiply
    240,703.50x = 361,063.62 × 114,278.70
  4. Step 4: Simplify right side
    240,703.50x = 41,261,881,110.89
  5. Step 5: Solve for x
    x = 41,261,881,110.89/240,703.50
  6. Step 6: Final answer
    x = 171,422.02

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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.