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Finding the Fourth Proportional to 238,441.28, 357,572.64 and 69,926.72

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Solution

The fourth proportional to 238,441.28, 357,572.64 and 69,926.72 is: 104,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,441.28 : 357,572.64 = 69,926.72 : x
  2. Step 2: Convert to fraction form
    238,441.28/357,572.64 = 69,926.72/x
  3. Step 3: Cross multiply
    238,441.28x = 357,572.64 × 69,926.72
  4. Step 4: Simplify right side
    238,441.28x = 25,003,881,876.94
  5. Step 5: Solve for x
    x = 25,003,881,876.94/238,441.28
  6. Step 6: Final answer
    x = 104,863.90

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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.