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Finding the Fourth Proportional to 223,425.70, 335,106.15 and 65,637.70

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Solution

The fourth proportional to 223,425.70, 335,106.15 and 65,637.70 is: 98,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,425.70 : 335,106.15 = 65,637.70 : x
  2. Step 2: Convert to fraction form
    223,425.70/335,106.15 = 65,637.70/x
  3. Step 3: Cross multiply
    223,425.70x = 335,106.15 × 65,637.70
  4. Step 4: Simplify right side
    223,425.70x = 21,995,596,941.86
  5. Step 5: Solve for x
    x = 21,995,596,941.86/223,425.70
  6. Step 6: Final answer
    x = 98,447.03

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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.