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Finding the Fourth Proportional to 227,859.10, 341,788.65 and 121,570.90

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Solution

The fourth proportional to 227,859.10, 341,788.65 and 121,570.90 is: 182,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,859.10 : 341,788.65 = 121,570.90 : x
  2. Step 2: Convert to fraction form
    227,859.10/341,788.65 = 121,570.90/x
  3. Step 3: Cross multiply
    227,859.10x = 341,788.65 × 121,570.90
  4. Step 4: Simplify right side
    227,859.10x = 41,551,553,790.29
  5. Step 5: Solve for x
    x = 41,551,553,790.29/227,859.10
  6. Step 6: Final answer
    x = 182,356.35

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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.