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Finding the Fourth Proportional to 354,549.26, 531,828.53 and 117,891.93

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Solution

The fourth proportional to 354,549.26, 531,828.53 and 117,891.93 is: 176,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,549.26 : 531,828.53 = 117,891.93 : x
  2. Step 2: Convert to fraction form
    354,549.26/531,828.53 = 117,891.93/x
  3. Step 3: Cross multiply
    354,549.26x = 531,828.53 × 117,891.93
  4. Step 4: Simplify right side
    354,549.26x = 62,698,291,241.30
  5. Step 5: Solve for x
    x = 62,698,291,241.30/354,549.26
  6. Step 6: Final answer
    x = 176,839.44

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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.