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Finding the Fourth Proportional to 223,780.63, 335,670.94 and 65,996.78

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Solution

The fourth proportional to 223,780.63, 335,670.94 and 65,996.78 is: 98,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,780.63 : 335,670.94 = 65,996.78 : x
  2. Step 2: Convert to fraction form
    223,780.63/335,670.94 = 65,996.78/x
  3. Step 3: Cross multiply
    223,780.63x = 335,670.94 × 65,996.78
  4. Step 4: Simplify right side
    223,780.63x = 22,153,201,179.57
  5. Step 5: Solve for x
    x = 22,153,201,179.57/223,780.63
  6. Step 6: Final answer
    x = 98,995.17

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1.5x scale

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.