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Finding the Fourth Proportional to 247,660.72, 371,441.76 and 121,246.72

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Solution

The fourth proportional to 247,660.72, 371,441.76 and 121,246.72 is: 181,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,660.72 : 371,441.76 = 121,246.72 : x
  2. Step 2: Convert to fraction form
    247,660.72/371,441.76 = 121,246.72/x
  3. Step 3: Cross multiply
    247,660.72x = 371,441.76 × 121,246.72
  4. Step 4: Simplify right side
    247,660.72x = 45,036,095,071.03
  5. Step 5: Solve for x
    x = 45,036,095,071.03/247,660.72
  6. Step 6: Final answer
    x = 181,845.93

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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.