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Finding the Fourth Proportional to 293,988.44, 440,981.03 and 106,999.94

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Solution

The fourth proportional to 293,988.44, 440,981.03 and 106,999.94 is: 160,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,988.44 : 440,981.03 = 106,999.94 : x
  2. Step 2: Convert to fraction form
    293,988.44/440,981.03 = 106,999.94/x
  3. Step 3: Cross multiply
    293,988.44x = 440,981.03 × 106,999.94
  4. Step 4: Simplify right side
    293,988.44x = 47,184,941,011.23
  5. Step 5: Solve for x
    x = 47,184,941,011.23/293,988.44
  6. Step 6: Final answer
    x = 160,499.31

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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.