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Finding the Fourth Proportional to 223,554.43, 335,331.63 and 65,782.93

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Solution

The fourth proportional to 223,554.43, 335,331.63 and 65,782.93 is: 98,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,554.43 : 335,331.63 = 65,782.93 : x
  2. Step 2: Convert to fraction form
    223,554.43/335,331.63 = 65,782.93/x
  3. Step 3: Cross multiply
    223,554.43x = 335,331.63 × 65,782.93
  4. Step 4: Simplify right side
    223,554.43x = 22,059,097,143.08
  5. Step 5: Solve for x
    x = 22,059,097,143.08/223,554.43
  6. Step 6: Final answer
    x = 98,674.39

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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.