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Finding the Fourth Proportional to 185,598.92, 278,398.27 and 67,270.07

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Solution

The fourth proportional to 185,598.92, 278,398.27 and 67,270.07 is: 100,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,598.92 : 278,398.27 = 67,270.07 : x
  2. Step 2: Convert to fraction form
    185,598.92/278,398.27 = 67,270.07/x
  3. Step 3: Cross multiply
    185,598.92x = 278,398.27 × 67,270.07
  4. Step 4: Simplify right side
    185,598.92x = 18,727,871,110.78
  5. Step 5: Solve for x
    x = 18,727,871,110.78/185,598.92
  6. Step 6: Final answer
    x = 100,905.07

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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.