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Finding the Fourth Proportional to 349,107.48, 523,702.23 and 124,499.84

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Solution

The fourth proportional to 349,107.48, 523,702.23 and 124,499.84 is: 186,764.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,107.48 : 523,702.23 = 124,499.84 : x
  2. Step 2: Convert to fraction form
    349,107.48/523,702.23 = 124,499.84/x
  3. Step 3: Cross multiply
    349,107.48x = 523,702.23 × 124,499.84
  4. Step 4: Simplify right side
    349,107.48x = 65,200,844,840.65
  5. Step 5: Solve for x
    x = 65,200,844,840.65/349,107.48
  6. Step 6: Final answer
    x = 186,764.39

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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.