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Finding the Fourth Proportional to 185,601.40, 278,402.10 and 154,497.40

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Solution

The fourth proportional to 185,601.40, 278,402.10 and 154,497.40 is: 231,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,601.40 : 278,402.10 = 154,497.40 : x
  2. Step 2: Convert to fraction form
    185,601.40/278,402.10 = 154,497.40/x
  3. Step 3: Cross multiply
    185,601.40x = 278,402.10 × 154,497.40
  4. Step 4: Simplify right side
    185,601.40x = 43,012,400,604.54
  5. Step 5: Solve for x
    x = 43,012,400,604.54/185,601.40
  6. Step 6: Final answer
    x = 231,746.10

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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.