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Finding the Fourth Proportional to 229,084.01, 343,543.66 and 79,283.64

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Solution

The fourth proportional to 229,084.01, 343,543.66 and 79,283.64 is: 118,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,084.01 : 343,543.66 = 79,283.64 : x
  2. Step 2: Convert to fraction form
    229,084.01/343,543.66 = 79,283.64/x
  3. Step 3: Cross multiply
    229,084.01x = 343,543.66 × 79,283.64
  4. Step 4: Simplify right side
    229,084.01x = 27,237,391,665.51
  5. Step 5: Solve for x
    x = 27,237,391,665.51/229,084.01
  6. Step 6: Final answer
    x = 118,896.96

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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.