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Finding the Fourth Proportional to 155,540.40, 232,727.40 and 103,052.40

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Solution

The fourth proportional to 155,540.40, 232,727.40 and 103,052.40 is: 154,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,540.40 : 232,727.40 = 103,052.40 : x
  2. Step 2: Convert to fraction form
    155,540.40/232,727.40 = 103,052.40/x
  3. Step 3: Cross multiply
    155,540.40x = 232,727.40 × 103,052.40
  4. Step 4: Simplify right side
    155,540.40x = 23,983,117,115.76
  5. Step 5: Solve for x
    x = 23,983,117,115.76/155,540.40
  6. Step 6: Final answer
    x = 154,192.20

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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.