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Finding the Fourth Proportional to 227,430.72, 341,148.96 and 61,218.72

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Solution

The fourth proportional to 227,430.72, 341,148.96 and 61,218.72 is: 91,828.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,430.72 : 341,148.96 = 61,218.72 : x
  2. Step 2: Convert to fraction form
    227,430.72/341,148.96 = 61,218.72/x
  3. Step 3: Cross multiply
    227,430.72x = 341,148.96 × 61,218.72
  4. Step 4: Simplify right side
    227,430.72x = 20,884,702,660.53
  5. Step 5: Solve for x
    x = 20,884,702,660.53/227,430.72
  6. Step 6: Final answer
    x = 91,828.86

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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.