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Finding the Fourth Proportional to 229,679.52, 344,568.96 and 69,742.32

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Solution

The fourth proportional to 229,679.52, 344,568.96 and 69,742.32 is: 104,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,679.52 : 344,568.96 = 69,742.32 : x
  2. Step 2: Convert to fraction form
    229,679.52/344,568.96 = 69,742.32/x
  3. Step 3: Cross multiply
    229,679.52x = 344,568.96 × 69,742.32
  4. Step 4: Simplify right side
    229,679.52x = 24,031,038,670.39
  5. Step 5: Solve for x
    x = 24,031,038,670.39/229,679.52
  6. Step 6: Final answer
    x = 104,628.57

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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.