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Finding the Fourth Proportional to 229,376.06, 344,064.12 and 71,618.03

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Solution

The fourth proportional to 229,376.06, 344,064.12 and 71,618.03 is: 107,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,376.06 : 344,064.12 = 71,618.03 : x
  2. Step 2: Convert to fraction form
    229,376.06/344,064.12 = 71,618.03/x
  3. Step 3: Cross multiply
    229,376.06x = 344,064.12 × 71,618.03
  4. Step 4: Simplify right side
    229,376.06x = 24,641,194,468.08
  5. Step 5: Solve for x
    x = 24,641,194,468.08/229,376.06
  6. Step 6: Final answer
    x = 107,427.05

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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.