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Finding the Fourth Proportional to 229,967.28, 344,951.01 and 103,459.79

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Solution

The fourth proportional to 229,967.28, 344,951.01 and 103,459.79 is: 155,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,967.28 : 344,951.01 = 103,459.79 : x
  2. Step 2: Convert to fraction form
    229,967.28/344,951.01 = 103,459.79/x
  3. Step 3: Cross multiply
    229,967.28x = 344,951.01 × 103,459.79
  4. Step 4: Simplify right side
    229,967.28x = 35,688,557,330.13
  5. Step 5: Solve for x
    x = 35,688,557,330.13/229,967.28
  6. Step 6: Final answer
    x = 155,189.72

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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.