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Finding the Fourth Proportional to 247,002.80, 370,601.40 and 97,217.60

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Solution

The fourth proportional to 247,002.80, 370,601.40 and 97,217.60 is: 145,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,002.80 : 370,601.40 = 97,217.60 : x
  2. Step 2: Convert to fraction form
    247,002.80/370,601.40 = 97,217.60/x
  3. Step 3: Cross multiply
    247,002.80x = 370,601.40 × 97,217.60
  4. Step 4: Simplify right side
    247,002.80x = 36,028,978,664.64
  5. Step 5: Solve for x
    x = 36,028,978,664.64/247,002.80
  6. Step 6: Final answer
    x = 145,864.66

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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.