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Finding the Fourth Proportional to 247,707.30, 371,488.02 and 70,229.82

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Solution

The fourth proportional to 247,707.30, 371,488.02 and 70,229.82 is: 105,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,707.30 : 371,488.02 = 70,229.82 : x
  2. Step 2: Convert to fraction form
    247,707.30/371,488.02 = 70,229.82/x
  3. Step 3: Cross multiply
    247,707.30x = 371,488.02 × 70,229.82
  4. Step 4: Simplify right side
    247,707.30x = 26,089,536,776.76
  5. Step 5: Solve for x
    x = 26,089,536,776.76/247,707.30
  6. Step 6: Final answer
    x = 105,324.05

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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.