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Finding the Fourth Proportional to 227,987.70, 341,949.15 and 70,232.10

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Solution

The fourth proportional to 227,987.70, 341,949.15 and 70,232.10 is: 105,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,987.70 : 341,949.15 = 70,232.10 : x
  2. Step 2: Convert to fraction form
    227,987.70/341,949.15 = 70,232.10/x
  3. Step 3: Cross multiply
    227,987.70x = 341,949.15 × 70,232.10
  4. Step 4: Simplify right side
    227,987.70x = 24,015,806,897.72
  5. Step 5: Solve for x
    x = 24,015,806,897.72/227,987.70
  6. Step 6: Final answer
    x = 105,338.17

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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.