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Finding the Fourth Proportional to 313,526.62, 469,967.82 and 123,909.94

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Solution

The fourth proportional to 313,526.62, 469,967.82 and 123,909.94 is: 185,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,526.62 : 469,967.82 = 123,909.94 : x
  2. Step 2: Convert to fraction form
    313,526.62/469,967.82 = 123,909.94/x
  3. Step 3: Cross multiply
    313,526.62x = 469,967.82 × 123,909.94
  4. Step 4: Simplify right side
    313,526.62x = 58,233,684,378.13
  5. Step 5: Solve for x
    x = 58,233,684,378.13/313,526.62
  6. Step 6: Final answer
    x = 185,737.61

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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.