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Finding the Fourth Proportional to 229,653.74, 344,537.12 and 79,895.32

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Solution

The fourth proportional to 229,653.74, 344,537.12 and 79,895.32 is: 119,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,653.74 : 344,537.12 = 79,895.32 : x
  2. Step 2: Convert to fraction form
    229,653.74/344,537.12 = 79,895.32/x
  3. Step 3: Cross multiply
    229,653.74x = 344,537.12 × 79,895.32
  4. Step 4: Simplify right side
    229,653.74x = 27,526,902,792.67
  5. Step 5: Solve for x
    x = 27,526,902,792.67/229,653.74
  6. Step 6: Final answer
    x = 119,862.64

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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.